How far is London from Ontario, CA?

The distance between Ontario (Ontario International Airport) and London (London Gatwick Airport) is 5447 miles / 8766 kilometers / 4733 nautical miles.

Distance from Ontario to London

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

Vincenty's formula (applied above)

• 5447.027 miles
• 8766.140 kilometers
• 4733.337 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

• 5433.994 miles
• 8745.166 kilometers
• 4722.012 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 London?

The estimated flight time from Ontario International Airport to London Gatwick Airport is 10 hours and 48 minutes.

What is the time difference between Ontario and London?

The time difference between Ontario and London is 8 hours. London is 8 hours ahead of Ontario.

Flight carbon footprint between Ontario International Airport (ONT) and London Gatwick Airport (LGW)

On average, flying from Ontario to London generates about 643 kg of CO2 per passenger, and 643 kilograms equals 1 417 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Ontario to London

See the map of the shortest flight path between Ontario International Airport (ONT) and London Gatwick Airport (LGW).

Airport information

Origin	Ontario International Airport
City:	Ontario, CA
Country:	United States
IATA Code:	ONT
ICAO Code:	KONT
Coordinates:	34°3′21″N, 117°36′3″W

Destination	London Gatwick Airport
City:	London
Country:	United Kingdom
IATA Code:	LGW
ICAO Code:	EGKK
Coordinates:	51°8′53″N, 0°11′25″W