How long does it take to travel from Colombo to Siem Reap?

By flight: approximately 4 hrs 47 min. By road: approximately 66 hrs 7 min.

Are there flights from Colombo to Siem Reap?

Yes, you can book flights from Colombo (CMB) to Siem Reap (REP) on FareEagle. Flight time is approximately 4 hrs 47 min.

Colombo to Siem Reap Distance & How to Reach

Q: What is the distance from Colombo to Siem Reap?

The aerial distance from Colombo to Siem Reap is approximately 3,024 km (1,879 miles). By road, the distance is approximately 5,452 km.

Q: What is the best way to travel from Colombo to Siem Reap?

The fastest option is a flight (4 hrs 47 min). Trains take about 83 hrs 53 min and are more affordable.

Sri Lanka to Cambodia · 3,024 km · Compare flights, trains, buses & driving

Colombo to Siem Reap distance: 3024 km (aerial), approximately 5452 km by road. By flight: ~4 hrs 47 min. By train: ~83 hrs 53 min. By road: ~66 hrs 7 min.

Fly from: Delhi Mumbai Bengaluru Hyderabad Chennai

Colombo

Sri Lanka

Siem Reap

Cambodia

3,024 km

aerial distance (straight line)

1,879 miles · Road distance: ~5,452 km (estimated)

🗺 Route map

How to get from Colombo to Siem Reap

✈

By Flight

4 hrs 47 min

CMB → REP

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🚗

By Car

66 hrs 7 min

5,452 km via highway

Quick facts

Aerial distance

3,024 km (1,879 mi)

Road distance

~5,452 km

Recommended

Flight (4 hrs 47 min)

Most affordable

Train

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📍 Colombo to Siem Reap distance overview

The straight-line distance from Colombo to Siem Reap is approximately 3,024 km (1,879 miles). By road, the distance increases to about 5,452 km due to terrain, highways, and road networks connecting Sri Lanka to Cambodia.

3,024 kmAerial distance

~5,452 kmBy road

4 hrs 47 minFlight

✈️ By flight — Colombo to Siem Reap

Fastest option CMB → REP 4 hrs 47 min

Flying is the fastest way to cover the 3,024 km distance. Flights from CMB to REP take approximately 4 hrs 47 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 Colombo to Siem Reap Flights

💡 Travel tips for Colombo to Siem Reap

📅

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 66 hrs 7 min, plan overnight halts. Fatigue driving is dangerous on Indian highways.

Where to stay in Siem Reap

Budget to luxury hotels. Compare prices on FareEagle.

View Siem Reap 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 Colombo to Siem Reap? ▼

The aerial (straight-line) distance from Colombo to Siem Reap is approximately 3,024 km (1,879 miles). The road distance is approximately 5,452 km, which takes about 66 hrs 7 min by car.

What is the best way to travel from Colombo to Siem Reap? ▼

The fastest way is by flight, taking approximately 4 hrs 47 min from CMB to REP. You can search and compare flight prices on FareEagle. Trains take about 83 hrs 53 min and are more affordable.

How much does a flight from Colombo to Siem Reap 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 Colombo to Siem Reap travel on FareEagle? ▼

Yes! FareEagle lets you compare and book flights, and hotels for the Colombo to Siem Reap route. Compare prices across operators, get instant confirmation, and enjoy transparent pricing with no hidden charges.

Routes from Colombo