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How far is Ontario, CA, from Westerly, RI?

The distance between Westerly (Westerly State Airport) and Ontario (Ontario International Airport) is 2529 miles / 4071 kilometers / 2198 nautical miles.

The driving distance from Westerly (WST) to Ontario (ONT) is 2892 miles / 4654 kilometers, and travel time by car is about 51 hours 48 minutes.

Westerly State Airport – Ontario International Airport

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2529
Miles
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4071
Kilometers
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2198
Nautical miles

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Distance from Westerly to Ontario

There are several ways to calculate the distance from Westerly to Ontario. Here are two standard methods:

Vincenty's formula (applied above)
  • 2529.301 miles
  • 4070.515 kilometers
  • 2197.902 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
  • 2523.741 miles
  • 4061.567 kilometers
  • 2193.071 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 Westerly to Ontario?

The estimated flight time from Westerly State Airport to Ontario International Airport is 5 hours and 17 minutes.

Flight carbon footprint between Westerly State Airport (WST) and Ontario International Airport (ONT)

On average, flying from Westerly to Ontario generates about 279 kg of CO2 per passenger, and 279 kilograms equals 614 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Westerly to Ontario

See the map of the shortest flight path between Westerly State Airport (WST) and Ontario International Airport (ONT).

Airport information

Origin Westerly State Airport
City: Westerly, RI
Country: United States Flag of United States
IATA Code: WST
ICAO Code: KWST
Coordinates: 41°20′58″N, 71°48′12″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