How far is Key West, FL, from Ontario, CA?
The distance between Ontario (Ontario International Airport) and Key West (Key West International Airport) is 2247 miles / 3617 kilometers / 1953 nautical miles.
The driving distance from Ontario (ONT) to Key West (EYW) is 2853 miles / 4591 kilometers, and travel time by car is about 51 hours 3 minutes.
Ontario International Airport – Key West International Airport
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Distance from Ontario to Key West
There are several ways to calculate the distance from Ontario to Key West. Here are two standard methods:
Vincenty's formula (applied above)- 2247.389 miles
- 3616.821 kilometers
- 1952.927 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- 2244.051 miles
- 3611.450 kilometers
- 1950.027 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 Ontario to Key West?
The estimated flight time from Ontario International Airport to Key West International Airport is 4 hours and 45 minutes.
What is the time difference between Ontario and Key West?
The time difference between Ontario and Key West is 3 hours. Key West is 3 hours ahead of Ontario.
Flight carbon footprint between Ontario International Airport (ONT) and Key West International Airport (EYW)
On average, flying from Ontario to Key West generates about 246 kg of CO2 per passenger, and 246 kilograms equals 542 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Ontario to Key West
See the map of the shortest flight path between Ontario International Airport (ONT) and Key West International Airport (EYW).
Airport information
| Origin | Ontario International Airport |
|---|---|
| City: | Ontario, CA |
| Country: | United States  |
| IATA Code: | ONT |
| ICAO Code: | KONT |
| Coordinates: | 34°3′21″N, 117°36′3″W |
| Destination | Key West International Airport |
|---|---|
| City: | Key West, FL |
| Country: | United States |
| IATA Code: | EYW |
| ICAO Code: | KEYW |
| Coordinates: | 24°33′21″N, 81°45′34″W |