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How far is Duluth, MN, from Ontario, CA?

The distance between Ontario (Ontario International Airport) and Duluth (Duluth International Airport) is 1592 miles / 2563 kilometers / 1384 nautical miles.

The driving distance from Ontario (ONT) to Duluth (DLH) is 2001 miles / 3220 kilometers, and travel time by car is about 35 hours 42 minutes.

Ontario International Airport – Duluth International Airport

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1592
Miles
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2563
Kilometers
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1384
Nautical miles

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Distance from Ontario to Duluth

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

Vincenty's formula (applied above)
  • 1592.400 miles
  • 2562.719 kilometers
  • 1383.758 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
  • 1590.291 miles
  • 2559.325 kilometers
  • 1381.925 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 Duluth?

The estimated flight time from Ontario International Airport to Duluth International Airport is 3 hours and 30 minutes.

Flight carbon footprint between Ontario International Airport (ONT) and Duluth International Airport (DLH)

On average, flying from Ontario to Duluth generates about 185 kg of CO2 per passenger, and 185 kilograms equals 409 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 Duluth

See the map of the shortest flight path between Ontario International Airport (ONT) and Duluth International Airport (DLH).

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 Duluth International Airport
City: Duluth, MN
Country: United States Flag of United States
IATA Code: DLH
ICAO Code: KDLH
Coordinates: 46°50′31″N, 92°11′36″W