Home › Routes › Siem Reap to Vientiane

Siem Reap to Vientiane Distance & How to Reach

Cambodia to Laos · 529 km · Compare flights, trains, buses & driving

Siem Reap to Vientiane distance: 529 km (aerial), approximately 698 km by road. By flight: ~1 hrs 27 min. By train: ~10 hrs 44 min. By road: ~9 hrs 31 min.
Fly from: Delhi Mumbai Bengaluru Hyderabad Chennai
Siem Reap
Cambodia
Vientiane
Laos
529 km
aerial distance (straight line)
329 miles · Road distance: ~698 km (via road)
🗺 Route map
698 km
Road distance
9 hrs 31 min
Drive time
529 km
Aerial distance
Route data via OpenStreetMap
How to get from Siem Reap to Vientiane
✈
By Flight
1 hrs 27 min
REP → VTE
Search Flights
🚗
By Car
9 hrs 31 min
698 km via highway
Quick facts
Aerial distance
529 km (329 mi)
Road distance
~698 km
Recommended
Flight (1 hrs 27 min)
Most affordable
Train
Book Siem Reap to Vientiane flights
Compare airlines · No hidden fees · Instant confirmation
Search Flights
📍 Siem Reap to Vientiane distance overview

The straight-line distance from Siem Reap to Vientiane is approximately 529 km (329 miles). By road, the distance increases to about 698 km due to terrain, highways, and road networks connecting Cambodia to Laos.

529 kmAerial distance
~698 kmBy road
1 hrs 27 minFlight
✈️ By flight — Siem Reap to Vientiane
Fastest option REP → VTE 1 hrs 27 min

Flying is the fastest way to cover the 529 km distance. Flights from REP to VTE take approximately 1 hrs 27 min including boarding and taxiing. Multiple airlines operate on this route, and fares vary depending on the season, time of booking, and class of travel.

For the best prices, book 2-3 weeks in advance and opt for mid-week departures (Tuesday, Wednesday) which are typically cheaper than weekend flights.

Search Siem Reap to Vientiane Flights
🚗 By car — Siem Reap to Vientiane
9 hrs 31 min ~698 km

The drive from Siem Reap to Vientiane is a long one — approximately 698 km taking around 9 hrs 31 min. Plan at least one overnight halt. Fatigue driving on Indian highways is dangerous.

💡 Travel tips for Siem Reap to Vientiane
📅
Book early
Book flights and trains 2-3 weeks in advance during peak season (Oct-Mar) for better prices and availability.
🌧️
Check weather
Avoid monsoon (Jun-Sep) for road trips. Road conditions can deteriorate and flights may face delays.
💳
Carry valid ID
Aadhaar, Passport, or Voter ID is required for train travel and recommended for bus journeys.
💤
Plan rest stops
For drives over 9 hrs 31 min, plan overnight halts. Fatigue driving is dangerous on Indian highways.
Where to stay in Vientiane
Budget to luxury hotels. Compare prices on FareEagle.
View Vientiane Hotels
🔗 Useful travel resources

For official travel information, regulations, and booking services:

DGCA — Indian aviation authority

Passport Seva — Passport and travel documents

Frequently asked questions
What is the distance from Siem Reap to Vientiane? ▼
The aerial (straight-line) distance from Siem Reap to Vientiane is approximately 529 km (329 miles). The road distance is approximately 698 km, which takes about 9 hrs 31 min by car.
What is the best way to travel from Siem Reap to Vientiane? ▼
The fastest way is by flight, taking approximately 1 hrs 27 min from REP to VTE. You can search and compare flight prices on FareEagle. Trains take about 10 hrs 44 min and are more affordable.
How much does a flight from Siem Reap to Vientiane cost? ▼
Flight prices vary by airline, date, and booking time. Search on FareEagle to compare prices across all airlines. Booking 2-3 weeks in advance typically gives the best prices.
Can I book Siem Reap to Vientiane travel on FareEagle? ▼
Yes! FareEagle lets you compare and book flights, and hotels for the Siem Reap to Vientiane route. Compare prices across operators, get instant confirmation, and enjoy transparent pricing with no hidden charges.
Routes from Siem Reap
Siem Reap to Port Blair 1,222 km Siem Reap to Nagpur 2,763 km Siem Reap to Mahoba 2,855 km
Share this page
WhatsApp X Facebook LinkedIn Telegram Email