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How far is Carlsbad, NM, from Ontario, CA?

The distance between Ontario (Ontario International Airport) and Carlsbad (Cavern City Air Terminal) is 781 miles / 1257 kilometers / 679 nautical miles.

The driving distance from Ontario (ONT) to Carlsbad (CNM) is 922 miles / 1484 kilometers, and travel time by car is about 16 hours 31 minutes.

Ontario International Airport – Cavern City Air Terminal

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781
Miles
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1257
Kilometers
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679
Nautical miles

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Distance from Ontario to Carlsbad

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

Vincenty's formula (applied above)
  • 781.240 miles
  • 1257.284 kilometers
  • 678.879 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
  • 779.668 miles
  • 1254.754 kilometers
  • 677.513 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 Carlsbad?

The estimated flight time from Ontario International Airport to Cavern City Air Terminal is 1 hour and 58 minutes.

Flight carbon footprint between Ontario International Airport (ONT) and Cavern City Air Terminal (CNM)

On average, flying from Ontario to Carlsbad generates about 133 kg of CO2 per passenger, and 133 kilograms equals 293 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 Carlsbad

See the map of the shortest flight path between Ontario International Airport (ONT) and Cavern City Air Terminal (CNM).

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 Cavern City Air Terminal
City: Carlsbad, NM
Country: United States Flag of United States
IATA Code: CNM
ICAO Code: KCNM
Coordinates: 32°20′15″N, 104°15′46″W