How far is Roma from Portland, ME?
The distance between Portland (Portland International Jetport) and Roma (Roma Airport) is 9963 miles / 16033 kilometers / 8657 nautical miles.
Portland International Jetport – Roma Airport
Search flights
Distance from Portland to Roma
There are several ways to calculate the distance from Portland to Roma. Here are two standard methods:
Vincenty's formula (applied above)- 9962.584 miles
- 16033.225 kilometers
- 8657.249 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- 9962.337 miles
- 16032.828 kilometers
- 8657.034 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 Portland to Roma?
The estimated flight time from Portland International Jetport to Roma Airport is 19 hours and 21 minutes.
What is the time difference between Portland and Roma?
The time difference between Portland and Roma is 15 hours. Roma is 15 hours ahead of Portland.
Flight carbon footprint between Portland International Jetport (PWM) and Roma Airport (RMA)
On average, flying from Portland to Roma generates about 1 296 kg of CO2 per passenger, and 1 296 kilograms equals 2 856 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path from Portland to Roma
See the map of the shortest flight path between Portland International Jetport (PWM) and Roma Airport (RMA).
Airport information
| Origin | Portland International Jetport |
|---|---|
| City: | Portland, ME |
| Country: | United States  |
| IATA Code: | PWM |
| ICAO Code: | KPWM |
| Coordinates: | 43°38′46″N, 70°18′33″W |
| Destination | Roma Airport |
|---|---|
| City: | Roma |
| Country: | Australia  |
| IATA Code: | RMA |
| ICAO Code: | YROM |
| Coordinates: | 26°32′42″S, 148°46′29″E |