Air Miles Calculator

Distance between Chicago, IL (ORD) and Key West, FL (EYW)

Distance from Chicago to Key West (Chicago O'Hare International Airport – Key West International Airport) is 1251 miles / 2014 kilometers / 1087 nautical miles.

How far is Key West from Chicago?

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

Vincenty's formula (applied above)
  • 1251.408 miles
  • 2013.946 kilometers
  • 1087.444 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
  • 1254.132 miles
  • 2018.329 kilometers
  • 1089.811 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).

Flight duration

Estimated flight time from Chicago O'Hare International Airport (ORD) to Key West International Airport (EYW) is 2 hours 52 minutes.

Time difference and current local times

The time difference between Chicago and Key West is 1 hour. Key West is 1 hour ahead of Chicago.

Time Difference

Chicago
Key West

Chicago, IL

 CDT

Key West, FL

 EDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 163 kg (360 pounds).

Airport information


A Chicago O'Hare International Airport
City: Chicago, IL
Country: United States Flag of United States
IATA Code: ORD
ICAO Code: KORD
Coordinates: 41°58′42″N, 87°54′17″W

B Key West International Airport
City: Key West, FL
Country: United States Flag of United States
IATA Code: EYW
ICAO Code: KEYW
Coordinates: 24°33′21″N, 81°45′34″W

Chicago to Key West flight path

Shortest flight path between Chicago O'Hare International Airport (ORD) and Key West International Airport (EYW).

Frequent Flyer Miles Calculator

Chicago (ORD) → Key West (EYW).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
1251
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1251

Round trip?