How far is Ontario, CA, from Colombo?

The distance between Colombo (Bandaranaike International Airport) and Ontario (Ontario International Airport) is 9374 miles / 15086 kilometers / 8146 nautical miles.

Distance from Colombo to Ontario

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

Vincenty's formula (applied above)

• 9373.845 miles
• 15085.741 kilometers
• 8145.648 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

• 9366.462 miles
• 15073.860 kilometers
• 8139.233 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 Colombo to Ontario?

The estimated flight time from Bandaranaike International Airport to Ontario International Airport is 18 hours and 14 minutes.

What is the time difference between Colombo and Ontario?

The time difference between Colombo and Ontario is 13 hours 30 minutes. Ontario is 13 hours 30 minutes behind Colombo.

Flight carbon footprint between Bandaranaike International Airport (CMB) and Ontario International Airport (ONT)

On average, flying from Colombo to Ontario generates about 1 204 kg of CO2 per passenger, and 1 204 kilograms equals 2 655 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Colombo to Ontario

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

Airport information

Origin	Bandaranaike International Airport
City:	Colombo
Country:	Sri Lanka
IATA Code:	CMB
ICAO Code:	VCBI
Coordinates:	7°10′50″N, 79°53′2″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