What is the flight distance between RDU and ONT?

Distance between Raleigh/Durham Airport (RDU) and Ontario International Airport (ONT) is 3520 kilometers or 2187 miles.

Distance From Raleigh/Durham Airport to Ontario International Airport (RDU - ONT Distance)

Q: How long is the flight from RDU to ONT?

Flight time from Raleigh/Durham Airport, Raleigh/Durham, United States to Ontario International Airport, Ontario, United States is 4 hours 22 minutes under avarage conditions.

Q: What is the time difference between Raleigh/Durham, United States and Ontario, United States?

Time difference between Raleigh/Durham (United States) and Ontario (United States) is 3 Hours. Ontario time is 3 Hours behind Raleigh/Durham. It is currently 03:09 in Raleigh/Durham Airport (RDU) and 00:09 in Ontario International Airport (ONT).

The flight distance from Raleigh/Durham Airport (RDU) to Ontario International Airport (ONT) is 2187 miles. This is equivalent to 3520 kilometers or 1899 nautical miles. The distance shown below is the straight line distance (may be called as flying or air distance) or direct flight distance between airports.

3520 kilometers is the distance from Raleigh/Durham Airport, United States to Ontario International Airport, United States.

Flight Duration between Raleigh/Durham, United States and Ontario, United States

Estimated flight time from Raleigh/Durham Airport, Raleigh/Durham, United States to Ontario International Airport, Ontario, United States is 4 hours 22 minutes under avarage conditions. The flight time calculator assumes an average flight speed for a commercial airliner of 500 mph, which is equivalent to 805 km/hr or 434 knots. Your actual flying time may vary depending on wind speeds or weather conditions.

Time Difference Between the Airports • RDU - ONT

Time difference between Raleigh/Durham (United States) and Ontario (United States) is 3 Hours.
Current local time in Raleigh/Durham is 2026-02-22, 03:09:41 EST and time in Ontario is 2026-02-22, 00:09:41 PST.
Ontario time is 3 Hours behind Raleigh/Durham.

Raleigh/Durham Airport to Ontario International Airport Flight Route Map - RDU to ONT Flight Path

Location of Raleigh/Durham Airport & Ontario International Airport is given below.
Click the map to view Raleigh/Durham to Ontario nonstop flight path and travel direction.

Click to see flight route on Google Map between Raleigh/Durham, United States and Ontario, United States. .

Nonstop flight route between Raleigh/Durham, United States and Ontario, United States.

Raleigh/Durham Airport
City:	Raleigh/Durham
Country:	United States
IATA Code:	RDU
ICAO Code:	KRDU
GPS Coordinates:	Latitude: N 35° 52' 39.5'' Longitude: W 78° 47' 14.9''
Current time:	2026-02-22, 03:09:41 EST
Current weather:	Raleigh/Durham Airport 15 day weather forecast

Ontario International Airport
City:	Ontario
Country:	United States
IATA Code:	ONT
ICAO Code:	KONT
GPS Coordinates:	Latitude: N 34° 3' 21.6'' Longitude: W 117° 36' 4.3''
Current time:	2026-02-22, 00:09:41 PST
Current weather:	Ontario International Airport 15 day weather forecast
Flights: