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How far is Ontario, CA, from Key West, FL?

The distance between Key West (Key West International Airport) and Ontario (Ontario International Airport) is 2247 miles / 3617 kilometers / 1953 nautical miles.

The driving distance from Key West (EYW) to Ontario (ONT) is 2851 miles / 4589 kilometers, and travel time by car is about 51 hours 2 minutes.

Key West International Airport – Ontario International Airport

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2247
Miles
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3617
Kilometers
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1953
Nautical miles

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Distance from Key West to Ontario

There are several ways to calculate the distance from Key West to Ontario. 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 Key West to Ontario?

The estimated flight time from Key West International Airport to Ontario International Airport is 4 hours and 45 minutes.

Flight carbon footprint between Key West International Airport (EYW) and Ontario International Airport (ONT)

On average, flying from Key West to Ontario 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 Key West to Ontario

See the map of the shortest flight path between Key West International Airport (EYW) and Ontario International Airport (ONT).

Airport information

Origin 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
Destination Ontario International Airport
City: Ontario, CA
Country: United States Flag of United States
IATA Code: ONT
ICAO Code: KONT
Coordinates: 34°3′21″N, 117°36′3″W