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How far is Monterey, CA, from Ontario, CA?

The distance between Ontario (Ontario International Airport) and Monterey (Monterey Regional Airport) is 296 miles / 477 kilometers / 258 nautical miles.

The driving distance from Ontario (ONT) to Monterey (MRY) is 356 miles / 573 kilometers, and travel time by car is about 7 hours 9 minutes.

Ontario International Airport – Monterey Regional Airport

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296
Miles
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477
Kilometers
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258
Nautical miles

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Distance from Ontario to Monterey

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

Vincenty's formula (applied above)
  • 296.409 miles
  • 477.024 kilometers
  • 257.572 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
  • 296.206 miles
  • 476.698 kilometers
  • 257.396 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 Monterey?

The estimated flight time from Ontario International Airport to Monterey Regional Airport is 1 hour and 3 minutes.

What is the time difference between Ontario and Monterey?

There is no time difference between Ontario and Monterey.

Flight carbon footprint between Ontario International Airport (ONT) and Monterey Regional Airport (MRY)

On average, flying from Ontario to Monterey generates about 69 kg of CO2 per passenger, and 69 kilograms equals 151 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 Monterey

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

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 Monterey Regional Airport
City: Monterey, CA
Country: United States Flag of United States
IATA Code: MRY
ICAO Code: KMRY
Coordinates: 36°35′13″N, 121°50′34″W