How far is Ontario, CA, from Raleigh, NC?

The distance between Raleigh (Raleigh–Durham International Airport) and Ontario (Ontario International Airport) is 2192 miles / 3527 kilometers / 1905 nautical miles.

The driving distance from Raleigh (RDU) to Ontario (ONT) is 2504 miles / 4030 kilometers, and travel time by car is about 44 hours 8 minutes.

Distance from Raleigh to Ontario

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

Vincenty's formula (applied above)

• 2191.664 miles
• 3527.142 kilometers
• 1904.504 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

• 2186.842 miles
• 3519.381 kilometers
• 1900.313 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 Raleigh to Ontario?

The estimated flight time from Raleigh–Durham International Airport to Ontario International Airport is 4 hours and 38 minutes.

What is the time difference between Raleigh and Ontario?

The time difference between Raleigh and Ontario is 3 hours. Ontario is 3 hours behind Raleigh.

Flight carbon footprint between Raleigh–Durham International Airport (RDU) and Ontario International Airport (ONT)

On average, flying from Raleigh to Ontario generates about 239 kg of CO2 per passenger, and 239 kilograms equals 528 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Raleigh to Ontario

See the map of the shortest flight path between Raleigh–Durham International Airport (RDU) and Ontario International Airport (ONT).

Airport information

Origin	Raleigh–Durham International Airport
City:	Raleigh, NC
Country:	United States
IATA Code:	RDU
ICAO Code:	KRDU
Coordinates:	35°52′39″N, 78°47′14″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