Bangkok to Siem Reap: Exactly 365 km (227 mi)

Bangkok, Thailand → Siem Reap, Cambodia

365
Kilometers
227
Miles
~57 min
Flight time (est.)
~475 km
Rough road-length estimate

197 nautical miles · Direction: east

Quick Answer

The straight-line distance from Bangkok to Siem Reap is 365 km (227 miles). Siem Reap lies roughly east of Bangkok; the initial great-circle bearing is 96° (E). It is an international route from Thailand to Cambodia.

Coordinates & Bearing

Bangkok (Central, Thailand) sits at 13.7563°N, 100.5018°E; Siem Reap (Siem Reap, Cambodia) is at 13.3633°N, 103.8564°E. The initial great-circle bearing is 96° (E); on a great circle the heading changes along the way.

Travel Options: Bangkok to Siem Reap

ModeFigureBasis
✈️ Flight ~57 min Estimate: 800 km/h + 30 min taxi. Not a schedule; total trip time is longer.
🚗 Road ~475 km · ~5h 56min Rough estimate: straight line × 1.3 at 80 km/h. Not live routing.
🚆 Rail No timetable data Same landmass, so rail may exist — check an operator.

Rough road-length estimate for Bangkok to Siem Reap: about 475 km. This is an estimate, not a routed drive — the actual road distance depends on the road network, crossings and the route chosen.

Halfway Point

The geographic halfway point of the great-circle path between Bangkok and Siem Reap lies at approximately 13.5654°N, 102.1805°E — the position that is an equal 183 km from each city along that path. It is a geometric midpoint, not a halfway point by road.

Time Zone Difference

Bangkok (Asia/Bangkok) and Siem Reap (Asia/Phnom_Penh) use different time-zone IDs but keep the same clock time all year under current rules.

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Frequently Asked Questions

How far is Bangkok from Siem Reap?

The straight-line distance from Bangkok to Siem Reap is approximately 365 km (227 miles, 197 nautical miles).

What direction is Siem Reap from Bangkok?

Siem Reap lies roughly east of Bangkok; the initial great-circle bearing is 96° (E).

How long does it take to fly from Bangkok to Siem Reap?

Estimated flight time is about 57 min (great-circle distance at 800 km/h plus 30 min for taxi, take-off and landing). It is not an airline schedule; total airport-to-airport trip time is longer.

Can you drive from Bangkok to Siem Reap?

Rough road-length estimate for Bangkok to Siem Reap: about 475 km. This is an estimate, not a routed drive — the actual road distance depends on the road network, crossings and the route chosen.

Is there a time difference between Bangkok and Siem Reap?

Bangkok (Asia/Bangkok) and Siem Reap (Asia/Phnom_Penh) use different time-zone IDs but keep the same clock time all year under current rules.

Straight-line distance uses the great-circle (Haversine) method. Flight and road figures, where shown, are estimates rather than schedules or live routing. How SnapDistance calculates distances

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