How far is Roi Et from Washington D.C.?

The distance between Washington D.C. (Ronald Reagan Washington National Airport) and Roi Et (Roi Et Airport) is 8649 miles / 13919 kilometers / 7515 nautical miles.

Distance from Washington D.C. to Roi Et

There are several ways to calculate the distance from Washington D.C. to Roi Et. Here are two standard methods:

Vincenty's formula (applied above)

• 8648.676 miles
• 13918.695 kilometers
• 7515.494 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

• 8638.463 miles
• 13902.259 kilometers
• 7506.619 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 Washington D.C. to Roi Et?

The estimated flight time from Ronald Reagan Washington National Airport to Roi Et Airport is 16 hours and 52 minutes.

What is the time difference between Washington D.C. and Roi Et?

The time difference between Washington D.C. and Roi Et is 12 hours. Roi Et is 12 hours ahead of Washington D.C..

Flight carbon footprint between Ronald Reagan Washington National Airport (DCA) and Roi Et Airport (ROI)

On average, flying from Washington D.C. to Roi Et generates about 1 094 kg of CO2 per passenger, and 1 094 kilograms equals 2 413 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Washington D.C. to Roi Et

See the map of the shortest flight path between Ronald Reagan Washington National Airport (DCA) and Roi Et Airport (ROI).

Airport information

Origin	Ronald Reagan Washington National Airport
City:	Washington D.C.
Country:	United States
IATA Code:	DCA
ICAO Code:	KDCA
Coordinates:	38°51′7″N, 77°2′15″W

Destination	Roi Et Airport
City:	Roi Et
Country:	Thailand
IATA Code:	ROI
ICAO Code:	VTUV
Coordinates:	16°7′0″N, 103°46′26″E