How far is Chiang Rai from Colombo?
The distance between Colombo (Ratmalana Airport) and Chiang Rai (Chiang Rai International Airport) is 1617 miles / 2603 kilometers / 1405 nautical miles.
The driving distance from Colombo (RML) to Chiang Rai (CEI) is 3024 miles / 4866 kilometers, and travel time by car is about 65 hours 46 minutes.
Ratmalana Airport – Chiang Rai International Airport
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Distance from Colombo to Chiang Rai
There are several ways to calculate the distance from Colombo to Chiang Rai. Here are two standard methods:
Vincenty's formula (applied above)- 1617.359 miles
- 2602.887 kilometers
- 1405.446 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- 1618.445 miles
- 2604.634 kilometers
- 1406.390 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 Colombo to Chiang Rai?
The estimated flight time from Ratmalana Airport to Chiang Rai International Airport is 3 hours and 33 minutes.
What is the time difference between Colombo and Chiang Rai?
Flight carbon footprint between Ratmalana Airport (RML) and Chiang Rai International Airport (CEI)
On average, flying from Colombo to Chiang Rai generates about 187 kg of CO2 per passenger, and 187 kilograms equals 412 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Colombo to Chiang Rai
See the map of the shortest flight path between Ratmalana Airport (RML) and Chiang Rai International Airport (CEI).
Airport information
| Origin | Ratmalana Airport |
|---|---|
| City: | Colombo |
| Country: | Sri Lanka  |
| IATA Code: | RML |
| ICAO Code: | VCCC |
| Coordinates: | 6°49′19″N, 79°53′10″E |
| 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 |