Air Miles Calculator logo

How far is Chiang Mai from London?

The distance between London (London Heathrow Airport) and Chiang Mai (Chiang Mai International Airport) is 5610 miles / 9028 kilometers / 4875 nautical miles.

London Heathrow Airport – Chiang Mai International Airport

Distance arrow
5610
Miles
Distance arrow
9028
Kilometers
Distance arrow
4875
Nautical miles

Search flights

Distance from London to Chiang Mai

There are several ways to calculate the distance from London to Chiang Mai. Here are two standard methods:

Vincenty's formula (applied above)
  • 5609.975 miles
  • 9028.380 kilometers
  • 4874.935 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
  • 5601.928 miles
  • 9015.429 kilometers
  • 4867.942 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 London to Chiang Mai?

The estimated flight time from London Heathrow Airport to Chiang Mai International Airport is 11 hours and 7 minutes.

Flight carbon footprint between London Heathrow Airport (LHR) and Chiang Mai International Airport (CNX)

On average, flying from London to Chiang Mai generates about 664 kg of CO2 per passenger, and 664 kilograms equals 1 464 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from London to Chiang Mai

See the map of the shortest flight path between London Heathrow Airport (LHR) and Chiang Mai International Airport (CNX).

Airport information

Origin London 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
Destination Chiang Mai International Airport
City: Chiang Mai
Country: Thailand Flag of Thailand
IATA Code: CNX
ICAO Code: VTCC
Coordinates: 18°46′0″N, 98°57′45″E