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How far is Okushiri Island from Kalispell, MT?

The distance between Kalispell (Glacier Park International Airport) and Okushiri Island (Okushiri Airport) is 4766 miles / 7671 kilometers / 4142 nautical miles.

Glacier Park International Airport – Okushiri Airport

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4766
Miles
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7671
Kilometers
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4142
Nautical miles

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Distance from Kalispell to Okushiri Island

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

Vincenty's formula (applied above)
  • 4766.253 miles
  • 7670.540 kilometers
  • 4141.760 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
  • 4753.235 miles
  • 7649.590 kilometers
  • 4130.448 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 Kalispell to Okushiri Island?

The estimated flight time from Glacier Park International Airport to Okushiri Airport is 9 hours and 31 minutes.

Flight carbon footprint between Glacier Park International Airport (FCA) and Okushiri Airport (OIR)

On average, flying from Kalispell to Okushiri Island generates about 554 kg of CO2 per passenger, and 554 kilograms equals 1 220 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Kalispell to Okushiri Island

See the map of the shortest flight path between Glacier Park International Airport (FCA) and Okushiri Airport (OIR).

Airport information

Origin Glacier Park International Airport
City: Kalispell, MT
Country: United States Flag of United States
IATA Code: FCA
ICAO Code: KGPI
Coordinates: 48°18′37″N, 114°15′21″W
Destination Okushiri Airport
City: Okushiri Island
Country: Japan Flag of Japan
IATA Code: OIR
ICAO Code: RJEO
Coordinates: 42°4′18″N, 139°25′58″E