How far is Dandong from Roi Et?

The distance between Roi Et (Roi Et Airport) and Dandong (Dandong Langtou Airport) is 2058 miles / 3312 kilometers / 1788 nautical miles.

The driving distance from Roi Et (ROI) to Dandong (DDG) is 2702 miles / 4348 kilometers, and travel time by car is about 50 hours 39 minutes.

Distance from Roi Et to Dandong

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

Vincenty's formula (applied above)

• 2057.683 miles
• 3311.520 kilometers
• 1788.078 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

• 2060.654 miles
• 3316.302 kilometers
• 1790.660 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 Roi Et to Dandong?

The estimated flight time from Roi Et Airport to Dandong Langtou Airport is 4 hours and 23 minutes.

What is the time difference between Roi Et and Dandong?

The time difference between Roi Et and Dandong is 1 hour. Dandong is 1 hour ahead of Roi Et.

Flight carbon footprint between Roi Et Airport (ROI) and Dandong Langtou Airport (DDG)

On average, flying from Roi Et to Dandong generates about 224 kg of CO2 per passenger, and 224 kilograms equals 494 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Roi Et to Dandong

See the map of the shortest flight path between Roi Et Airport (ROI) and Dandong Langtou Airport (DDG).

Airport information

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

Destination	Dandong Langtou Airport
City:	Dandong
Country:	China
IATA Code:	DDG
ICAO Code:	ZYDD
Coordinates:	40°1′28″N, 124°17′9″E