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

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

The driving distance from Ontario (ONT) to Dubuque (DBQ) is 1839 miles / 2960 kilometers, and travel time by car is about 32 hours 8 minutes.

Ontario International Airport – Dubuque Regional 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 Ontario to Dubuque

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

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

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

On average, flying from Ontario to Dubuque 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 Ontario to Dubuque

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

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 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