How far is London from Ontario, CA?

The distance between Ontario (Ontario International Airport) and London (London City Airport) is 5439 miles / 8753 kilometers / 4726 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)

• 5438.628 miles
• 8752.624 kilometers
• 4726.039 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

• 5425.601 miles
• 8731.659 kilometers
• 4714.719 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 City Airport is 10 hours and 47 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 City Airport (LCY)

On average, flying from Ontario to London generates about 641 kg of CO2 per passenger, and 641 kilograms equals 1 414 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 City Airport (LCY).

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 City Airport
City:	London
Country:	United Kingdom
IATA Code:	LCY
ICAO Code:	EGLC
Coordinates:	51°30′19″N, 0°3′19″E