How far is Roi Et from Dandong?

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

The driving distance from Dandong (DDG) to Roi Et (ROI) is 2703 miles / 4350 kilometers, and travel time by car is about 50 hours 39 minutes.

Distance from Dandong to Roi Et

There are several ways to calculate the distance from Dandong to Roi Et. 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 Dandong to Roi Et?

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

What is the time difference between Dandong and Roi Et?

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

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

On average, flying from Dandong to Roi Et 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 Dandong to Roi Et

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

Airport information

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

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