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How far is Williamsport, PA, from Ontario, CA?

The distance between Ontario (Ontario International Airport) and Williamsport (Williamsport Regional Airport) is 2263 miles / 3643 kilometers / 1967 nautical miles.

The driving distance from Ontario (ONT) to Williamsport (IPT) is 2583 miles / 4157 kilometers, and travel time by car is about 45 hours 43 minutes.

Ontario International Airport – Williamsport Regional Airport

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2263
Miles
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3643
Kilometers
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1967
Nautical miles

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Distance from Ontario to Williamsport

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

Vincenty's formula (applied above)
  • 2263.495 miles
  • 3642.742 kilometers
  • 1966.924 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
  • 2258.605 miles
  • 3634.873 kilometers
  • 1962.674 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 Williamsport?

The estimated flight time from Ontario International Airport to Williamsport Regional Airport is 4 hours and 47 minutes.

Flight carbon footprint between Ontario International Airport (ONT) and Williamsport Regional Airport (IPT)

On average, flying from Ontario to Williamsport generates about 248 kg of CO2 per passenger, and 248 kilograms equals 546 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 Williamsport

See the map of the shortest flight path between Ontario International Airport (ONT) and Williamsport Regional Airport (IPT).

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 Williamsport Regional Airport
City: Williamsport, PA
Country: United States Flag of United States
IATA Code: IPT
ICAO Code: KIPT
Coordinates: 41°14′30″N, 76°55′15″W