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How far is Ontario, CA, from Alamosa, CO?

The distance between Alamosa (San Luis Valley Regional Airport) and Ontario (Ontario International Airport) is 699 miles / 1125 kilometers / 607 nautical miles.

The driving distance from Alamosa (ALS) to Ontario (ONT) is 946 miles / 1523 kilometers, and travel time by car is about 17 hours 0 minutes.

San Luis Valley Regional Airport – Ontario International Airport

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699
Miles
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1125
Kilometers
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607
Nautical miles

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Distance from Alamosa to Ontario

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

Vincenty's formula (applied above)
  • 698.836 miles
  • 1124.668 kilometers
  • 607.272 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
  • 697.602 miles
  • 1122.682 kilometers
  • 606.200 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 Alamosa to Ontario?

The estimated flight time from San Luis Valley Regional Airport to Ontario International Airport is 1 hour and 49 minutes.

Flight carbon footprint between San Luis Valley Regional Airport (ALS) and Ontario International Airport (ONT)

On average, flying from Alamosa to Ontario generates about 124 kg of CO2 per passenger, and 124 kilograms equals 274 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Alamosa to Ontario

See the map of the shortest flight path between San Luis Valley Regional Airport (ALS) and Ontario International Airport (ONT).

Airport information

Origin San Luis Valley Regional Airport
City: Alamosa, CO
Country: United States Flag of United States
IATA Code: ALS
ICAO Code: KALS
Coordinates: 37°26′5″N, 105°52′1″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