# Distance between Chicago, IL (ORD) and Grayling, AK (KGX)

Flight distance from Chicago to Grayling (Chicago O'Hare International Airport – Grayling Airport) is 3162 miles / 5088 kilometers / 2748 nautical miles. Estimated flight time is 6 hours 29 minutes.

Driving distance from Chicago (ORD) to Grayling (KGX) is 4043 miles / 6506 kilometers and travel time by car is about 122 hours 25 minutes.

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

Shortest flight path between Chicago O'Hare International Airport (ORD) and Grayling Airport (KGX).

## How far is Grayling from Chicago?

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

Vincenty's formula (applied above)
• 3161.834 miles
• 5088.479 kilometers
• 2747.559 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
• 3153.485 miles
• 5075.043 kilometers
• 2740.304 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 Chicago O'Hare International Airport
City: Chicago, IL
Country: United States
IATA Code: ORD
ICAO Code: KORD
Coordinates: 41°58′42″N, 87°54′17″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 Chicago and Grayling is 3 hours. Grayling is 3 hours behind Chicago.

CDT

AKDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 354 kg (780 pounds).

## Frequent Flyer Miles Calculator

Chicago (ORD) → Grayling (KGX).

Distance:
3162
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
3162

Round trip?