How far is Portsmouth, NH, from Roatan?
The distance between Roatan (Juan Manuel Gálvez International Airport) and Portsmouth (Portsmouth International Airport at Pease) is 2063 miles / 3320 kilometers / 1793 nautical miles.
Juan Manuel Gálvez International Airport – Portsmouth International Airport at Pease
Search flights
Distance from Roatan to Portsmouth
There are several ways to calculate the distance from Roatan to Portsmouth. Here are two standard methods:
Vincenty's formula (applied above)- 2062.931 miles
- 3319.966 kilometers
- 1792.638 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- 2067.143 miles
- 3326.743 kilometers
- 1796.298 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 Roatan to Portsmouth?
The estimated flight time from Juan Manuel Gálvez International Airport to Portsmouth International Airport at Pease is 4 hours and 24 minutes.
What is the time difference between Roatan and Portsmouth?
The time difference between Roatan and Portsmouth is 1 hour. Portsmouth is 1 hour ahead of Roatan.
Flight carbon footprint between Juan Manuel Gálvez International Airport (RTB) and Portsmouth International Airport at Pease (PSM)
On average, flying from Roatan to Portsmouth generates about 225 kg of CO2 per passenger, and 225 kilograms equals 495 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path from Roatan to Portsmouth
See the map of the shortest flight path between Juan Manuel Gálvez International Airport (RTB) and Portsmouth International Airport at Pease (PSM).
Airport information
| Origin | Juan Manuel Gálvez International Airport |
|---|---|
| City: | Roatan |
| Country: | Honduras  |
| IATA Code: | RTB |
| ICAO Code: | MHRO |
| Coordinates: | 16°19′0″N, 86°31′22″W |
| 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 |