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

The distance between Washington D.C. (Washington Dulles International Airport) and Roi Et (Roi Et Airport) is 8642 miles / 13908 kilometers / 7510 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)

• 8641.835 miles
• 13907.686 kilometers
• 7509.550 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

• 8631.611 miles
• 13891.231 kilometers
• 7500.665 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 Washington Dulles International Airport to Roi Et Airport is 16 hours and 51 minutes.

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

The time difference between Washington D.C. and Roi Et is 11 hours. Roi Et is 11 hours ahead of Washington D.C..

Flight carbon footprint between Washington Dulles International Airport (IAD) and Roi Et Airport (ROI)

On average, flying from Washington D.C. to Roi Et generates about 1 093 kg of CO2 per passenger, and 1 093 kilograms equals 2 410 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 Washington Dulles International Airport (IAD) and Roi Et Airport (ROI).

Airport information

Origin	Washington Dulles International Airport
City:	Washington D.C.
Country:	United States
IATA Code:	IAD
ICAO Code:	KIAD
Coordinates:	38°56′40″N, 77°27′20″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