Air Miles Calculator logo

How far is Phnom Penh from Siem Reap?

The distance between Siem Reap (Siem Reap International Airport) and Phnom Penh (Phnom Penh International Airport) is 146 miles / 235 kilometers / 127 nautical miles.

The driving distance from Siem Reap (REP) to Phnom Penh (PNH) is 204 miles / 329 kilometers, and travel time by car is about 4 hours 8 minutes.

Siem Reap International Airport – Phnom Penh International Airport

Distance arrow
146
Miles
Distance arrow
235
Kilometers
Distance arrow
127
Nautical miles

Search flights

Distance from Siem Reap to Phnom Penh

There are several ways to calculate the distance from Siem Reap to Phnom Penh. Here are two standard methods:

Vincenty's formula (applied above)
  • 145.838 miles
  • 234.704 kilometers
  • 126.730 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula
  • 146.375 miles
  • 235.568 kilometers
  • 127.197 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

How long does it take to fly from Siem Reap to Phnom Penh?

The estimated flight time from Siem Reap International Airport to Phnom Penh International Airport is 46 minutes.

What is the time difference between Siem Reap and Phnom Penh?

There is no time difference between Siem Reap and Phnom Penh.

Flight carbon footprint between Siem Reap International Airport (REP) and Phnom Penh International Airport (PNH)

On average, flying from Siem Reap to Phnom Penh generates about 46 kg of CO2 per passenger, and 46 kilograms equals 102 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Siem Reap to Phnom Penh

See the map of the shortest flight path between Siem Reap International Airport (REP) and Phnom Penh International Airport (PNH).

Airport information

Origin Siem Reap International Airport
City: Siem Reap
Country: Cambodia Flag of Cambodia
IATA Code: REP
ICAO Code: VDSR
Coordinates: 13°24′38″N, 103°48′46″E
Destination Phnom Penh International Airport
City: Phnom Penh
Country: Cambodia Flag of Cambodia
IATA Code: PNH
ICAO Code: VDPP
Coordinates: 11°32′47″N, 104°50′38″E

Airlines flying from Siem Reap (REP) to Phnom Penh (PNH)

SilkAir
Singapore Airlines
Virgin Australia