Air Miles Calculator

Distance between London (LHR) and Siem Reap (REP)

Distance from London to Siem Reap (Heathrow Airport – Siem Reap International Airport) is 6099 miles / 9815 kilometers / 5299 nautical miles.

How far is Siem Reap from London?

There are several ways to calculate distances between London and Siem Reap. Here are two common methods:

Vincenty's formula (applied above)
  • 6098.532 miles
  • 9814.636 kilometers
  • 5299.480 nautical miles

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

Haversine formula
  • 6091.594 miles
  • 9803.470 kilometers
  • 5293.450 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).

Flight duration

Estimated flight time from Heathrow Airport (LHR) to Siem Reap International Airport (REP) is 12 hours 2 minutes.

Time difference and current local times

The time difference between London and Siem Reap is 6 hours. Siem Reap is 6 hours ahead of London.

Time Difference

London
Siem Reap

London

 BST

Siem Reap

 +07

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 739 kg (1 629 pounds).

Airport information


A Heathrow Airport
City: London
Country: United Kingdom Flag of United Kingdom
IATA Code: LHR
ICAO Code: EGLL
Coordinates: 51°28′14″N, 0°27′42″W

B 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

London to Siem Reap flight path

Shortest flight path between Heathrow Airport (LHR) and Siem Reap International Airport (REP).

Frequent Flyer Miles Calculator

London (LHR) → Siem Reap (REP).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
6099
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
6099

Round trip?