How far is London from Ontario, CA?

The distance between Ontario (Ontario International Airport) and London (London Stansted Airport) is 5427 miles / 8734 kilometers / 4716 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)

• 5426.976 miles
• 8733.871 kilometers
• 4715.913 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

• 5413.962 miles
• 8712.927 kilometers
• 4704.604 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 Stansted Airport is 10 hours and 46 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 Stansted Airport (STN)

On average, flying from Ontario to London generates about 640 kg of CO2 per passenger, and 640 kilograms equals 1 411 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 Stansted Airport (STN).

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 Stansted Airport
City:	London
Country:	United Kingdom
IATA Code:	STN
ICAO Code:	EGSS
Coordinates:	51°53′5″N, 0°14′5″E