How far is Tachileik from Colombo?

The distance between Colombo (Ratmalana Airport) and Tachileik (Tachilek Airport) is 1639 miles / 2638 kilometers / 1425 nautical miles.

The driving distance from Colombo (RML) to Tachileik (THL) is 2983 miles / 4801 kilometers, and travel time by car is about 64 hours 50 minutes.

Distance from Colombo to Tachileik

There are several ways to calculate the distance from Colombo to Tachileik. Here are two standard methods:

Vincenty's formula (applied above)

• 1639.445 miles
• 2638.431 kilometers
• 1424.639 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

• 1640.698 miles
• 2640.447 kilometers
• 1425.728 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 Tachileik?

The estimated flight time from Ratmalana Airport to Tachilek Airport is 3 hours and 36 minutes.

What is the time difference between Colombo and Tachileik?

The time difference between Colombo and Tachileik is 1 hour. Tachileik is 1 hour ahead of Colombo.

Flight carbon footprint between Ratmalana Airport (RML) and Tachilek Airport (THL)

On average, flying from Colombo to Tachileik generates about 189 kg of CO2 per passenger, and 189 kilograms equals 416 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 Tachileik

See the map of the shortest flight path between Ratmalana Airport (RML) and Tachilek Airport (THL).

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	Tachilek Airport
City:	Tachileik
Country:	Burma
IATA Code:	THL
ICAO Code:	VYTL
Coordinates:	20°29′1″N, 99°56′7″E