How far is Ontario, CA, from Roanoke, VA?
The distance between Roanoke (Roanoke–Blacksburg Regional Airport) and Ontario (Ontario International Airport) is 2114 miles / 3402 kilometers / 1837 nautical miles.
The driving distance from Roanoke (ROA) to Ontario (ONT) is 2403 miles / 3867 kilometers, and travel time by car is about 42 hours 4 minutes.
Roanoke–Blacksburg Regional Airport – Ontario International Airport
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Distance from Roanoke to Ontario
There are several ways to calculate the distance from Roanoke to Ontario. Here are two standard methods:
Vincenty's formula (applied above)- 2114.193 miles
- 3402.464 kilometers
- 1837.183 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- 2109.532 miles
- 3394.963 kilometers
- 1833.133 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 Roanoke to Ontario?
The estimated flight time from Roanoke–Blacksburg Regional Airport to Ontario International Airport is 4 hours and 30 minutes.
What is the time difference between Roanoke and Ontario?
The time difference between Roanoke and Ontario is 3 hours. Ontario is 3 hours behind Roanoke.
Flight carbon footprint between Roanoke–Blacksburg Regional Airport (ROA) and Ontario International Airport (ONT)
On average, flying from Roanoke to Ontario generates about 231 kg of CO2 per passenger, and 231 kilograms equals 508 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Roanoke to Ontario
See the map of the shortest flight path between Roanoke–Blacksburg Regional Airport (ROA) and Ontario International Airport (ONT).
Airport information
| Origin | Roanoke–Blacksburg Regional Airport |
|---|---|
| City: | Roanoke, VA |
| Country: | United States  |
| IATA Code: | ROA |
| ICAO Code: | KROA |
| Coordinates: | 37°19′31″N, 79°58′31″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 |