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How far is Rayong from Colombo?

The distance between Colombo (Ratmalana Airport) and Rayong (U-Tapao International Airport) is 1494 miles / 2405 kilometers / 1298 nautical miles.

The driving distance from Colombo (RML) to Rayong (UTP) is 3393 miles / 5461 kilometers, and travel time by car is about 71 hours 54 minutes.

Ratmalana Airport – U-Tapao International Airport

Distance arrow
1494
Miles
Distance arrow
2405
Kilometers
Distance arrow
1298
Nautical miles
Flight time duration
3 h 19 min
Time Difference
1 h 30 min
CO2 emission
179 kg

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Distance from Colombo to Rayong

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

Vincenty's formula (applied above)
  • 1494.181 miles
  • 2404.651 kilometers
  • 1298.408 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
  • 1493.075 miles
  • 2402.871 kilometers
  • 1297.446 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 Rayong?

The estimated flight time from Ratmalana Airport to U-Tapao International Airport is 3 hours and 19 minutes.

Flight carbon footprint between Ratmalana Airport (RML) and U-Tapao International Airport (UTP)

On average, flying from Colombo to Rayong generates about 179 kg of CO2 per passenger, and 179 kilograms equals 395 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 Rayong

See the map of the shortest flight path between Ratmalana Airport (RML) and U-Tapao International Airport (UTP).

Airport information

Origin Ratmalana Airport
City: Colombo
Country: Sri Lanka Flag of Sri Lanka
IATA Code: RML
ICAO Code: VCCC
Coordinates: 6°49′19″N, 79°53′10″E
Destination U-Tapao International Airport
City: Rayong
Country: Thailand Flag of Thailand
IATA Code: UTP
ICAO Code: VTBU
Coordinates: 12°40′47″N, 101°0′17″E