How far is Ontario, CA, from Cardiff?

The distance between Cardiff (Cardiff Airport) and Ontario (Ontario International Airport) is 5332 miles / 8581 kilometers / 4633 nautical miles.

Distance from Cardiff to Ontario

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

Vincenty's formula (applied above)

• 5331.686 miles
• 8580.517 kilometers
• 4633.109 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

• 5318.924 miles
• 8559.978 kilometers
• 4622.018 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 Cardiff to Ontario?

The estimated flight time from Cardiff Airport to Ontario International Airport is 10 hours and 35 minutes.

What is the time difference between Cardiff and Ontario?

The time difference between Cardiff and Ontario is 8 hours. Ontario is 8 hours behind Cardiff.

Flight carbon footprint between Cardiff Airport (CWL) and Ontario International Airport (ONT)

On average, flying from Cardiff to Ontario generates about 627 kg of CO2 per passenger, and 627 kilograms equals 1 383 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Cardiff to Ontario

See the map of the shortest flight path between Cardiff Airport (CWL) and Ontario International Airport (ONT).

Airport information

Origin	Cardiff Airport
City:	Cardiff
Country:	United Kingdom
IATA Code:	CWL
ICAO Code:	EGFF
Coordinates:	51°23′48″N, 3°20′35″W

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