# Distance between Louisville, KY (SDF) and Grayling, AK (KGX)

Flight distance from Louisville to Grayling (Louisville International Airport – Grayling Airport) is 3441 miles / 5538 kilometers / 2991 nautical miles. Estimated flight time is 7 hours 0 minutes.

Driving distance from Louisville (SDF) to Grayling (KGX) is 4356 miles / 7010 kilometers and travel time by car is about 127 hours 58 minutes.

## Map of flight path and driving directions from Louisville to Grayling.

Shortest flight path between Louisville International Airport (SDF) and Grayling Airport (KGX).

## How far is Grayling from Louisville?

There are several ways to calculate distances between Louisville and Grayling. Here are two common methods:

Vincenty's formula (applied above)
• 3441.433 miles
• 5538.449 kilometers
• 2990.523 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
• 3433.269 miles
• 5525.311 kilometers
• 2983.429 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).

## Airport information

A Louisville International Airport
City: Louisville, KY
Country: United States
IATA Code: SDF
ICAO Code: KSDF
Coordinates: 38°10′27″N, 85°44′9″W

B Grayling Airport
City: Grayling, AK
Country: United States
IATA Code: KGX
ICAO Code: PAGX
Coordinates: 62°53′42″N, 160°3′58″W

## Time difference and current local times

The time difference between Louisville and Grayling is 4 hours. Grayling is 4 hours behind Louisville.

EDT

AKDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 387 kg (854 pounds).

## Frequent Flyer Miles Calculator

Louisville (SDF) → Grayling (KGX).

Distance:
3441
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
3441

Round trip?