How far is Rishiri from Okushiri Island?

The distance between Okushiri Island (Okushiri Airport) and Rishiri (Rishiri Airport) is 236 miles / 380 kilometers / 205 nautical miles.

The driving distance from Okushiri Island (OIR) to Rishiri (RIS) is 431 miles / 694 kilometers, and travel time by car is about 29 hours 55 minutes.

Distance from Okushiri Island to Rishiri

There are several ways to calculate the distance from Okushiri Island to Rishiri. Here are two standard methods:

Vincenty's formula (applied above)

• 235.833 miles
• 379.537 kilometers
• 204.934 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

• 235.909 miles
• 379.658 kilometers
• 204.999 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 Okushiri Island to Rishiri?

The estimated flight time from Okushiri Airport to Rishiri Airport is 56 minutes.

What is the time difference between Okushiri Island and Rishiri?

There is no time difference between Okushiri Island and Rishiri.

Flight carbon footprint between Okushiri Airport (OIR) and Rishiri Airport (RIS)

On average, flying from Okushiri Island to Rishiri generates about 60 kg of CO2 per passenger, and 60 kilograms equals 132 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Okushiri Island to Rishiri

See the map of the shortest flight path between Okushiri Airport (OIR) and Rishiri Airport (RIS).

Airport information

Origin	Okushiri Airport
City:	Okushiri Island
Country:	Japan
IATA Code:	OIR
ICAO Code:	RJEO
Coordinates:	42°4′18″N, 139°25′58″E

Destination	Rishiri Airport
City:	Rishiri
Country:	Japan
IATA Code:	RIS
ICAO Code:	RJER
Coordinates:	45°14′31″N, 141°11′9″E