How far is Chiang Rai from London?

The distance between London (London Heathrow Airport) and Chiang Rai (Chiang Rai International Airport) is 5584 miles / 8986 kilometers / 4852 nautical miles.

Distance from London to Chiang Rai

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

Vincenty's formula (applied above)

• 5583.519 miles
• 8985.803 kilometers
• 4851.945 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

• 5575.044 miles
• 8972.163 kilometers
• 4844.580 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 Rai?

The estimated flight time from London Heathrow Airport to Chiang Rai International Airport is 11 hours and 4 minutes.

What is the time difference between London and Chiang Rai?

The time difference between London and Chiang Rai is 7 hours. Chiang Rai is 7 hours ahead of London.

Flight carbon footprint between London Heathrow Airport (LHR) and Chiang Rai International Airport (CEI)

On average, flying from London to Chiang Rai generates about 661 kg of CO2 per passenger, and 661 kilograms equals 1 457 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from London to Chiang Rai

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

Airport information

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

Destination	Chiang Rai International Airport
City:	Chiang Rai
Country:	Thailand
IATA Code:	CEI
ICAO Code:	VTCT
Coordinates:	19°57′8″N, 99°52′58″E