Air Miles Calculator

Distance between Raleigh, NC (RDU) and Ontario, CA (ONT)

Distance from Raleigh to Ontario (Ontario International Airport – Raleigh–Durham International Airport) is 2192 miles / 3527 kilometers / 1905 nautical miles.

Calculations with different 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 earth.

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).

Flight duration

Estimated flight time from Raleigh–Durham International Airport (RDU) to Ontario International Airport (ONT) is 4 hours 38 minutes.

Time difference and current local times

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

Time Difference

Raleigh
Ontario

Raleigh, NC

 EDT

Ontario, CA

 PDT

Airport information


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

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

Map

Raleigh to Ontario flight map.

Frequent Flyer Miles Calculator

Raleigh (RDU) → Ontario (ONT).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
2192
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
2192

Round trip?