VientianeBangkok
Direct serviceThe long-haul option on this border, usually run as an overnight sleeper. Many travellers cover the same ground more cheaply by crossing at Nong Khai and continuing separately on a Thai bus or train.
Verified 23 September 2026
Laos has land borders with four countries and 33 official checkpoints. Every crossing here is covered in both directions, by bus, by train and by air: which one you need, when it opens, and what visa it will actually give you.
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Laos has land borders with Thailand, Vietnam, Cambodia and China, and 33 official checkpoints. The busiest by far are the five Thai–Lao Friendship Bridges. There is exactly one legal crossing into Cambodia, open 06:00–18:00. Vietnam has nine international checkpoints but issues no visa on arrival at any of them, get the e-visa online first.
| Journey | Border crossing | Typical duration | Detail |
|---|---|---|---|
| Vientiane → Bangkok | 1st Friendship Bridge | 20–24 hrs | Full detail |
| Vientiane → Hanoi | Nam Phao – Cầu Treo | approx 24 hrs | Full detail |
| Pakse → Siem Reap | Nongnokkhene | approx 14 hrs | Full detail |
| Luang Prabang → Chiang Mai | 4th Friendship Bridge | approx 20 hrs | Full detail |
| Savannakhet → Hue | Dansavanh – Lao Bảo | approx 12 hrs | Full detail |
| 4000 Islands → Siem Reap | Nongnokkhene | approx 12 hrs | Full detail |
| Vientiane → Luang Prabang | domestic, train is fastest | 1 h 46 m by train | Full detail |
| Vientiane → Kunming | Boten – Mohan | 9.5–10 hrs by train | Full detail |
| Paksan → Bueng Kan | 5th Friendship Bridge (new) | approx 3 hrs | Full detail |
The long-haul option on this border, usually run as an overnight sleeper. Many travellers cover the same ground more cheaply by crossing at Nong Khai and continuing separately on a Thai bus or train.
The busiest hop on this border, and the easiest place to change onto Thailand's onward network, including the overnight sleeper train to Bangkok.
The long way round by road. Many travellers do only one leg this way and take the Mekong slow boat for the other, rather than the same road twice.
The short final hop for travellers who took the two-day Mekong slow boat down from Luang Prabang.
An overnight sleeper between the two capitals, the main road link on this border.
The busiest Laos–Vietnam gate, on the way to Hue's imperial citadel.
The one northern option on this border, via the war-history town of Sam Neua.
The gateway to Angkor Wat, on Laos's only crossing into Cambodia.
Starts right at the border, shaving hours off the same journey from Pakse.
The gateway to Vang Vieng's karst scenery, and the shortest hop on the Laos–China Railway.
The country's best-connected long-haul run, with an overnight VIP bus alongside the much faster railway.
The short answer is yes from all three neighbours that run scheduled cross-border services, and no from China, where the railway has replaced the through-bus for most travellers. Each row below goes to the crossing that route actually uses.
| From | Direct service? | Crossing used | Typical journey |
|---|---|---|---|
| Thailand | Yes, several daily | Five Friendship Bridges | 1 hr Nong Khai–Vientiane, 20–24 hrs from Bangkok |
| Vietnam | Yes, mostly overnight sleepers | Nine checkpoints | approx 24 hrs Hanoi–Vientiane |
| Cambodia | Yes, one route only | Nongnokkhene, the only one | approx 6 hrs Stung Treng–Pakse |
| China | Rail, not bus | Boten–Mohan | Laos–China Railway via Boten |
Two things catch people out regardless of where they are coming from. Vietnam issues no visa on arrival at any land border, so an e-visa has to be in hand before you reach the gate. And the only crossing between Laos and Cambodia closes at 18:00, earlier than most sources claim.