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

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

The driving distance from Monterey (MRY) to Ontario (ONT) is 355 miles / 572 kilometers, and travel time by car is about 7 hours 7 minutes.

Monterey Regional Airport – Ontario International 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 Monterey to Ontario

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

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

What is the time difference between Monterey and Ontario?

There is no time difference between Monterey and Ontario.

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

On average, flying from Monterey to Ontario 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 Monterey to Ontario

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

Airport information

Origin 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
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