Map of flight path and driving directions from Roma to Portland.
Shortest flight path between Roma Airport (RMA) and Portland Airport (Victoria) (PTJ).
How far is Portland from Roma?
There are several ways to calculate distances between Roma and Portland. Here are two common methods:Vincenty's formula (applied above)
- 915.878 miles
- 1473.963 kilometers
- 795.877 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.Haversine formula
- 917.408 miles
- 1476.425 kilometers
- 797.205 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).
Time difference and current local times
The time difference between Roma and Portland is 1 hour. Portland is 1 hour ahead of Roma.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 145 kg (319 pounds).
Frequent Flyer Miles Calculator
Roma (RMA) → Portland (PTJ).