How far is Roi Et from Ji'an?

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

The driving distance from Ji'an (JGS) to Roi Et (ROI) is 1391 miles / 2238 kilometers, and travel time by car is about 27 hours 8 minutes.

Distance from Ji'an to Roi Et

There are several ways to calculate the distance from Ji'an to Roi Et. 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 Ji'an to Roi Et?

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

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

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

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

On average, flying from Ji'an to Roi Et 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 Ji'an to Roi Et

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

Airport information

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