How far is Roma from Portland, OR?
The distance between Portland (Portland International Airport) and Roma (Roma Airport) is 7435 miles / 11965 kilometers / 6461 nautical miles.
Portland International Airport – Roma Airport
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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)- 7434.633 miles
- 11964.882 kilometers
- 6460.519 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- 7442.205 miles
- 11977.069 kilometers
- 6467.100 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 Airport to Roma Airport is 14 hours and 34 minutes.
What is the time difference between Portland and Roma?
The time difference between Portland and Roma is 18 hours. Roma is 18 hours ahead of Portland.
Flight carbon footprint between Portland International Airport (PDX) and Roma Airport (RMA)
On average, flying from Portland to Roma generates about 917 kg of CO2 per passenger, and 917 kilograms equals 2 021 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 Airport (PDX) and Roma Airport (RMA).
Airport information
| Origin | Portland International Airport |
|---|---|
| City: | Portland, OR |
| Country: | United States  |
| IATA Code: | PDX |
| ICAO Code: | KPDX |
| Coordinates: | 45°35′19″N, 122°35′52″W |
| Destination | Roma Airport |
|---|---|
| City: | Roma |
| Country: | Australia  |
| IATA Code: | RMA |
| ICAO Code: | YROM |
| Coordinates: | 26°32′42″S, 148°46′29″E |