How far is Ji'an from Roi Et?

The distance between Roi Et (Roi Et Airport) and Ji'an (Jinggangshan Airport) is 1021 miles / 1643 kilometers / 887 nautical miles.

The driving distance from Roi Et (ROI) to Ji'an (JGS) is 1389 miles / 2236 kilometers, and travel time by car is about 27 hours 12 minutes.

Distance from Roi Et to Ji'an

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

Vincenty's formula (applied above)

• 1020.799 miles
• 1642.816 kilometers
• 887.050 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

• 1022.307 miles
• 1645.243 kilometers
• 888.360 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 Ji'an?

The estimated flight time from Roi Et Airport to Jinggangshan Airport is 2 hours and 25 minutes.

What is the time difference between Roi Et and Ji'an?

The time difference between Roi Et and Ji'an is 1 hour. Ji'an is 1 hour ahead of Roi Et.

Flight carbon footprint between Roi Et Airport (ROI) and Jinggangshan Airport (JGS)

On average, flying from Roi Et to Ji'an generates about 152 kg of CO2 per passenger, and 152 kilograms equals 335 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 Ji'an

See the map of the shortest flight path between Roi Et Airport (ROI) and Jinggangshan Airport (JGS).

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	Jinggangshan Airport
City:	Ji'an
Country:	China
IATA Code:	JGS
ICAO Code:	ZSJA
Coordinates:	26°51′24″N, 114°44′13″E