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

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

The driving distance from Ontario (ONT) to Westerly (WST) is 2888 miles / 4647 kilometers, and travel time by car is about 51 hours 50 minutes.

Ontario International Airport – Westerly State 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 Ontario to Westerly

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

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

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

On average, flying from Ontario to Westerly 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 Ontario to Westerly

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

Airport information

Origin 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
Destination 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