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How far is Ontario, CA, from Dubuque, IA?

The distance between Dubuque (Dubuque Regional Airport) and Ontario (Ontario International Airport) is 1564 miles / 2517 kilometers / 1359 nautical miles.

The driving distance from Dubuque (DBQ) to Ontario (ONT) is 1840 miles / 2961 kilometers, and travel time by car is about 32 hours 6 minutes.

Dubuque Regional Airport – Ontario International Airport

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1564
Miles
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2517
Kilometers
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1359
Nautical miles

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Distance from Dubuque to Ontario

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

Vincenty's formula (applied above)
  • 1563.926 miles
  • 2516.895 kilometers
  • 1359.014 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
  • 1561.059 miles
  • 2512.281 kilometers
  • 1356.523 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 Dubuque to Ontario?

The estimated flight time from Dubuque Regional Airport to Ontario International Airport is 3 hours and 27 minutes.

Flight carbon footprint between Dubuque Regional Airport (DBQ) and Ontario International Airport (ONT)

On average, flying from Dubuque to Ontario generates about 184 kg of CO2 per passenger, and 184 kilograms equals 405 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Dubuque to Ontario

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

Airport information

Origin Dubuque Regional Airport
City: Dubuque, IA
Country: United States Flag of United States
IATA Code: DBQ
ICAO Code: KDBQ
Coordinates: 42°24′7″N, 90°42′34″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