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How far is Grayling, AK, from St Augustine, FL?

The distance between St Augustine (Northeast Florida Regional Airport) and Grayling (Grayling Airport) is 4053 miles / 6522 kilometers / 3522 nautical miles.

The driving distance from St Augustine (UST) to Grayling (KGX) is 5156 miles / 8297 kilometers, and travel time by car is about 151 hours 33 minutes.

Northeast Florida Regional Airport – Grayling Airport

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4053
Miles
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6522
Kilometers
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3522
Nautical miles

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Distance from St Augustine to Grayling

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

Vincenty's formula (applied above)
  • 4052.847 miles
  • 6522.426 kilometers
  • 3521.828 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
  • 4045.639 miles
  • 6510.825 kilometers
  • 3515.564 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 St Augustine to Grayling?

The estimated flight time from Northeast Florida Regional Airport to Grayling Airport is 8 hours and 10 minutes.

Flight carbon footprint between Northeast Florida Regional Airport (UST) and Grayling Airport (KGX)

On average, flying from St Augustine to Grayling generates about 463 kg of CO2 per passenger, and 463 kilograms equals 1 021 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from St Augustine to Grayling

See the map of the shortest flight path between Northeast Florida Regional Airport (UST) and Grayling Airport (KGX).

Airport information

Origin Northeast Florida Regional Airport
City: St Augustine, FL
Country: United States Flag of United States
IATA Code: UST
ICAO Code: KSGJ
Coordinates: 29°57′33″N, 81°20′23″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