How far is Okushiri Island from Rishiri?

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

The driving distance from Rishiri (RIS) to Okushiri Island (OIR) is 435 miles / 700 kilometers, and travel time by car is about 29 hours 54 minutes.

Distance from Rishiri to Okushiri Island

There are several ways to calculate the distance from Rishiri to Okushiri Island. 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 Rishiri to Okushiri Island?

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

What is the time difference between Rishiri and Okushiri Island?

There is no time difference between Rishiri and Okushiri Island.

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

On average, flying from Rishiri to Okushiri Island 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 Rishiri to Okushiri Island

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

Airport information

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

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