How far is Portsmouth, NH, from Rome?
The distance between Rome (Ciampino–G. B. Pastine International Airport) and Portsmouth (Portsmouth International Airport at Pease) is 4075 miles / 6558 kilometers / 3541 nautical miles.
Ciampino–G. B. Pastine International Airport – Portsmouth International Airport at Pease
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Distance from Rome to Portsmouth
There are several ways to calculate the distance from Rome to Portsmouth. Here are two standard methods:
Vincenty's formula (applied above)- 4075.145 miles
- 6558.311 kilometers
- 3541.204 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- 4064.462 miles
- 6541.117 kilometers
- 3531.921 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 Rome to Portsmouth?
The estimated flight time from Ciampino–G. B. Pastine International Airport to Portsmouth International Airport at Pease is 8 hours and 12 minutes.
What is the time difference between Rome and Portsmouth?
The time difference between Rome and Portsmouth is 6 hours. Portsmouth is 6 hours behind Rome.
Flight carbon footprint between Ciampino–G. B. Pastine International Airport (CIA) and Portsmouth International Airport at Pease (PSM)
On average, flying from Rome to Portsmouth generates about 466 kg of CO2 per passenger, and 466 kilograms equals 1 027 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path from Rome to Portsmouth
See the map of the shortest flight path between Ciampino–G. B. Pastine International Airport (CIA) and Portsmouth International Airport at Pease (PSM).
Airport information
| Origin | Ciampino–G. B. Pastine International Airport |
|---|---|
| City: | Rome |
| Country: | Italy  |
| IATA Code: | CIA |
| ICAO Code: | LIRA |
| Coordinates: | 41°47′57″N, 12°35′41″E |
| Destination | 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 |