How far is Roi Et from Niigata?

The distance between Niigata (Niigata Airport) and Roi Et (Roi Et Airport) is 2622 miles / 4220 kilometers / 2278 nautical miles.

The driving distance from Niigata (KIJ) to Roi Et (ROI) is 3710 miles / 5971 kilometers, and travel time by car is about 83 hours 24 minutes.

Distance from Niigata to Roi Et

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

Vincenty's formula (applied above)

• 2621.974 miles
• 4219.659 kilometers
• 2278.433 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

• 2621.771 miles
• 4219.332 kilometers
• 2278.257 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 Niigata to Roi Et?

The estimated flight time from Niigata Airport to Roi Et Airport is 5 hours and 27 minutes.

What is the time difference between Niigata and Roi Et?

The time difference between Niigata and Roi Et is 2 hours. Roi Et is 2 hours behind Niigata.

Flight carbon footprint between Niigata Airport (KIJ) and Roi Et Airport (ROI)

On average, flying from Niigata to Roi Et generates about 289 kg of CO2 per passenger, and 289 kilograms equals 638 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

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

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

Airport information

Origin	Niigata Airport
City:	Niigata
Country:	Japan
IATA Code:	KIJ
ICAO Code:	RJSN
Coordinates:	37°57′21″N, 139°7′15″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