How far is Roi Et from Omitama?

The distance between Omitama (Ibaraki Airport) and Roi Et (Roi Et Airport) is 2639 miles / 4247 kilometers / 2293 nautical miles.

The driving distance from Omitama (IBR) to Roi Et (ROI) is 4107 miles / 6610 kilometers, and travel time by car is about 81 hours 15 minutes.

Distance from Omitama to Roi Et

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

Vincenty's formula (applied above)

• 2638.761 miles
• 4246.675 kilometers
• 2293.021 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

• 2637.968 miles
• 4245.398 kilometers
• 2292.332 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 Omitama to Roi Et?

The estimated flight time from Ibaraki Airport to Roi Et Airport is 5 hours and 29 minutes.

What is the time difference between Omitama and Roi Et?

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

Flight carbon footprint between Ibaraki Airport (IBR) and Roi Et Airport (ROI)

On average, flying from Omitama to Roi Et generates about 291 kg of CO2 per passenger, and 291 kilograms equals 642 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

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

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

Airport information

Origin	Ibaraki Airport
City:	Omitama
Country:	Japan
IATA Code:	IBR
ICAO Code:	RJAH
Coordinates:	36°10′51″N, 140°24′53″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