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How far is Baltimore, MD, from Ontario, CA?

The distance between Ontario (Ontario International Airport) and Baltimore (Baltimore–Washington International Airport) is 2283 miles / 3674 kilometers / 1984 nautical miles.

The driving distance from Ontario (ONT) to Baltimore (BWI) is 2597 miles / 4180 kilometers, and travel time by car is about 46 hours 20 minutes.

Ontario International Airport – Baltimore–Washington International Airport

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2283
Miles
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3674
Kilometers
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1984
Nautical miles

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Distance from Ontario to Baltimore

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

Vincenty's formula (applied above)
  • 2282.965 miles
  • 3674.076 kilometers
  • 1983.842 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
  • 2277.938 miles
  • 3665.986 kilometers
  • 1979.474 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 Baltimore?

The estimated flight time from Ontario International Airport to Baltimore–Washington International Airport is 4 hours and 49 minutes.

Flight carbon footprint between Ontario International Airport (ONT) and Baltimore–Washington International Airport (BWI)

On average, flying from Ontario to Baltimore generates about 250 kg of CO2 per passenger, and 250 kilograms equals 551 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 Baltimore

See the map of the shortest flight path between Ontario International Airport (ONT) and Baltimore–Washington International Airport (BWI).

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 Baltimore–Washington International Airport
City: Baltimore, MD
Country: United States Flag of United States
IATA Code: BWI
ICAO Code: KBWI
Coordinates: 39°10′31″N, 76°40′5″W