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How far is Grayling, AK, from Hilo, HI?

The distance between Hilo (Hilo International Airport) and Grayling (Grayling Airport) is 2989 miles / 4811 kilometers / 2597 nautical miles.

Hilo International Airport – Grayling Airport

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2989
Miles
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4811
Kilometers
Distance arrow
2597
Nautical miles

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Distance from Hilo to Grayling

There are several ways to calculate the distance from Hilo to Grayling. Here are two standard methods:

Vincenty's formula (applied above)
  • 2989.143 miles
  • 4810.559 kilometers
  • 2597.494 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
  • 2992.525 miles
  • 4816.001 kilometers
  • 2600.433 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 Hilo to Grayling?

The estimated flight time from Hilo International Airport to Grayling Airport is 6 hours and 9 minutes.

Flight carbon footprint between Hilo International Airport (ITO) and Grayling Airport (KGX)

On average, flying from Hilo to Grayling generates about 333 kg of CO2 per passenger, and 333 kilograms equals 734 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Hilo to Grayling

See the map of the shortest flight path between Hilo International Airport (ITO) and Grayling Airport (KGX).

Airport information

Origin Hilo International Airport
City: Hilo, HI
Country: United States Flag of United States
IATA Code: ITO
ICAO Code: PHTO
Coordinates: 19°43′17″N, 155°2′52″W
Destination Grayling Airport
City: Grayling, AK
Country: United States Flag of United States
IATA Code: KGX
ICAO Code: PAGX
Coordinates: 62°53′42″N, 160°3′58″W