How far is Roanoke, VA, from Ontario, CA?
The distance between Ontario (Ontario International Airport) and Roanoke (Roanoke–Blacksburg Regional Airport) is 2114 miles / 3402 kilometers / 1837 nautical miles.
The driving distance from Ontario (ONT) to Roanoke (ROA) is 2403 miles / 3867 kilometers, and travel time by car is about 42 hours 8 minutes.
Ontario International Airport – Roanoke–Blacksburg Regional Airport
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Distance from Ontario to Roanoke
There are several ways to calculate the distance from Ontario to Roanoke. 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 Ontario to Roanoke?
The estimated flight time from Ontario International Airport to Roanoke–Blacksburg Regional Airport is 4 hours and 30 minutes.
What is the time difference between Ontario and Roanoke?
The time difference between Ontario and Roanoke is 3 hours. Roanoke is 3 hours ahead of Ontario.
Flight carbon footprint between Ontario International Airport (ONT) and Roanoke–Blacksburg Regional Airport (ROA)
On average, flying from Ontario to Roanoke 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 Ontario to Roanoke
See the map of the shortest flight path between Ontario International Airport (ONT) and Roanoke–Blacksburg Regional Airport (ROA).
Airport information
| Origin | Ontario International Airport |
|---|---|
| City: | Ontario, CA |
| Country: | United States  |
| IATA Code: | ONT |
| ICAO Code: | KONT |
| Coordinates: | 34°3′21″N, 117°36′3″W |
| Destination | 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 |