How far is Roanoke, VA, from Portsmouth, NH?
The distance between Portsmouth (Portsmouth International Airport at Pease) and Roanoke (Roanoke–Blacksburg Regional Airport) is 625 miles / 1006 kilometers / 543 nautical miles.
The driving distance from Portsmouth (PSM) to Roanoke (ROA) is 721 miles / 1161 kilometers, and travel time by car is about 14 hours 19 minutes.
Portsmouth International Airport at Pease – Roanoke–Blacksburg Regional Airport
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Distance from Portsmouth to Roanoke
There are several ways to calculate the distance from Portsmouth to Roanoke. Here are two standard methods:
Vincenty's formula (applied above)- 625.409 miles
- 1006.499 kilometers
- 543.466 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- 624.828 miles
- 1005.563 kilometers
- 542.961 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 Portsmouth to Roanoke?
The estimated flight time from Portsmouth International Airport at Pease to Roanoke–Blacksburg Regional Airport is 1 hour and 41 minutes.
What is the time difference between Portsmouth and Roanoke?
Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and Roanoke–Blacksburg Regional Airport (ROA)
On average, flying from Portsmouth to Roanoke generates about 116 kg of CO2 per passenger, and 116 kilograms equals 255 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Portsmouth to Roanoke
See the map of the shortest flight path between Portsmouth International Airport at Pease (PSM) and Roanoke–Blacksburg Regional Airport (ROA).
Airport information
| Origin | Portsmouth International Airport at Pease |
|---|---|
| City: | Portsmouth, NH |
| Country: | United States  |
| IATA Code: | PSM |
| ICAO Code: | KPSM |
| Coordinates: | 43°4′40″N, 70°49′23″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 |