How far is Ontario, CA, from Cape Town?

The distance between Cape Town (Cape Town International Airport) and Ontario (Ontario International Airport) is 9950 miles / 16012 kilometers / 8646 nautical miles.

Distance from Cape Town to Ontario

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

Vincenty's formula (applied above)

• 9949.552 miles
• 16012.252 kilometers
• 8645.924 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

• 9948.214 miles
• 16010.098 kilometers
• 8644.761 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 Cape Town to Ontario?

The estimated flight time from Cape Town International Airport to Ontario International Airport is 19 hours and 20 minutes.

What is the time difference between Cape Town and Ontario?

The time difference between Cape Town and Ontario is 10 hours. Ontario is 10 hours behind Cape Town.

Flight carbon footprint between Cape Town International Airport (CPT) and Ontario International Airport (ONT)

On average, flying from Cape Town to Ontario generates about 1 294 kg of CO2 per passenger, and 1 294 kilograms equals 2 852 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Cape Town to Ontario

See the map of the shortest flight path between Cape Town International Airport (CPT) and Ontario International Airport (ONT).

Airport information

Origin	Cape Town International Airport
City:	Cape Town
Country:	South Africa
IATA Code:	CPT
ICAO Code:	FACT
Coordinates:	33°57′53″S, 18°36′6″E

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