Vietnam is one of the easiest countries in South-East Asia to cross overland, thanks to a single long, thin geography and two well-developed transport systems that between them cover almost every stretch a traveller could want: the government-run Reunification Express railway, and a dense private network of budget "open-tour" buses. Combining the two — rather than picking just one — is how most independent travellers actually do it.
The shape of the trip
Vietnam runs roughly 1,730 km from Hanoi in the north to Ho Chi Minh City in the south, hugging the coast for much of that distance. Almost every overland itinerary follows this same north–south (or south–north) axis, calling at a broadly similar set of stops: Hanoi, Ninh Binh or Halong Bay, Hue, Da Nang/Hoi An, Nha Trang, Da Lat or Mui Ne, and Ho Chi Minh City. Few travellers cover the whole distance in one continuous journey; almost everyone breaks it into legs of a few hundred kilometres, stopping for two or three nights at each.
The Reunification Express
Vietnam Railways operates the Reunification Express the full length of the country, with SE-series trains offering the best combination of speed and comfort. For a detailed breakdown of classes, the Hai Van Pass and how to book, see our full Vietnam by train guide — the short version is that soft or hard sleeper compartments are comfortable and good value for overnight legs, and the crossing of the Hai Van Pass between Hue and Da Nang is worth timing for daylight.
The train's real advantage for an overland trip is comfort over distance: an overnight sleeper from Hanoi to Hue, for instance, saves a hotel night and arrives rested, which a cramped overnight bus rarely matches. Its disadvantage is a fixed, single-track route — it only serves towns directly on the line, so it won't get you into Halong Bay, Hoi An's old town, or Da Lat's hill country without a connecting bus or taxi at one end.
Open-tour buses
Alongside the railway, a network of private "open-tour" bus companies runs the same north–south corridor with a distinctive, backpacker-friendly ticketing system: you buy a single ticket covering the whole route (Hanoi to Ho Chi Minh City, say), which is valid for travel in stages, hopping on and off at any of the stops along the way over an extended period, rather than requiring a fixed date for each leg. This flexibility is the main appeal — you can decide to stay an extra two days in Hoi An without penalty, then continue on the next available service.
Buses come in a range of standards, from basic seated coaches to sleeper buses with reclining or fully flat berths arranged in two or three tiers — a format unique to South-East Asia that some travellers love and others find claustrophobic on a first try. Sleeper buses are usually the cheapest way to cover an overnight leg, undercutting the train, though comfort and safety standards vary more by operator than the train does, since bus companies are private and numerous rather than a single state operator.
If you'd rather self-drive part of the route, see our driving in Vietnam guide for how that compares with the train-and-bus approach most travellers take.
Combining train and bus: a practical approach
Most experienced Vietnam travellers use both, choosing whichever suits a given leg:
- Overnight legs on the coastal spine (Hanoi–Hue, Da Nang/Hoi An–Nha Trang): the train's sleeper classes are usually the more comfortable choice, and daytime legs across the Hai Van Pass are worth taking by train purely for the view.
- Legs off the rail line (into Halong Bay, Hoi An itself rather than Da Nang station, Da Lat, Mui Ne, the Mekong Delta): buses (or a private transfer) are the only realistic option, since these towns simply aren't on the railway.
- Short daytime hops where flexibility matters more than comfort: open-tour buses' hop-on-hop-off tickets suit a looser itinerary better than pre-booked train tickets with fixed dates.
Domestic flights: when they make sense
For travellers short on time, budget domestic flights with VietJet Air, Bamboo Airways or Vietnam Airlines connect Hanoi, Da Nang and Ho Chi Minh City quickly and often cheaply, and are worth considering to skip a long overnight leg if you're tight on days — flying Hanoi to Ho Chi Minh City directly, for instance, rather than the 30-plus-hour full train journey. Most overland purists still prefer to cover at least the more scenic central sections (Hue–Da Nang, the coast around Nha Trang) by land, using a flight only to skip the least interesting long-haul stretch.
The Mekong Delta and onward to Cambodia
South of Ho Chi Minh City, the Mekong Delta is best explored by a combination of local bus and boat rather than rail, since no railway extends this far south. Multi-day boat-and-bus tours through Can Tho and the delta's floating markets are a popular final leg of a Vietnam trip, and several operators run overland routes connecting directly into Cambodia via the Mekong itself, combining road transport with a river crossing near the border — a scenic and practical way to continue overland into Phnom Penh rather than backtracking to fly. See our South-East Asia overland guide for how this leg fits into a wider regional trip.
Booking and timing
Train tickets can be bought online through Vietnam Railways' own site or English-language platforms like Baolau and 12Go Asia; open-tour bus tickets are widely available through the same aggregators or directly from bus company offices in any tourist area. Book a few days ahead for sleeper train berths and popular bus departures, and considerably further ahead if travelling around the Tết (Lunar New Year) holiday, when both trains and buses are heavily booked by Vietnamese travelling to see family. Check current entry requirements for your nationality with our Vietnam e-visa guide before you book anything, since processing can take a few days.
Frequently asked questions
Is it better to take the train or the bus in Vietnam?
Neither is universally better — the train is more comfortable for long overnight legs on the coastal main line, while buses reach places the railway doesn't (Hoi An, Halong Bay, Da Lat) and offer more flexible hop-on-hop-off tickets. Most travellers use a mix of both.
What is an open-tour bus ticket?
A single ticket covering the full Hanoi–Ho Chi Minh City route (or a shorter section), valid for travel in stages so you can stop at towns along the way and continue later, rather than being tied to one fixed journey date.
How long does the full overland trip from Hanoi to Ho Chi Minh City take?
Most independent travellers allow two to three weeks to cover the route properly with stops, though it can be done faster with fewer stops or slower with more. The train alone takes around 30–36 hours if done in a single non-stop run, which few people choose to do.
Can I continue overland from Vietnam into Cambodia?
Yes — several operators run bus-and-boat routes from the Mekong Delta into Phnom Penh, combining road transport with a river crossing near the border, avoiding the need to fly or backtrack.
Sources and further reading:
- Train timetables and tickets: Vietnam Railways (dsvn.vn).
- English-language booking for trains and buses: Baolau and 12Go Asia.
- Route detail: The Man in Seat 61.