Air Miles Calculator logo

How far is Roanoke, VA, from Portland, OR?

The distance between Portland (Portland International Airport) and Roanoke (Roanoke–Blacksburg Regional Airport) is 2257 miles / 3632 kilometers / 1961 nautical miles.

The driving distance from Portland (PDX) to Roanoke (ROA) is 2726 miles / 4387 kilometers, and travel time by car is about 48 hours 12 minutes.

Portland International Airport – Roanoke–Blacksburg Regional Airport

Distance arrow
2257
Miles
Distance arrow
3632
Kilometers
Distance arrow
1961
Nautical miles

Search flights

Distance from Portland to Roanoke

There are several ways to calculate the distance from Portland to Roanoke. Here are two standard methods:

Vincenty's formula (applied above)
  • 2256.553 miles
  • 3631.570 kilometers
  • 1960.891 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
  • 2251.278 miles
  • 3623.081 kilometers
  • 1956.307 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 Roanoke?

The estimated flight time from Portland International Airport to Roanoke–Blacksburg Regional Airport is 4 hours and 46 minutes.

Flight carbon footprint between Portland International Airport (PDX) and Roanoke–Blacksburg Regional Airport (ROA)

On average, flying from Portland to Roanoke generates about 247 kg of CO2 per passenger, and 247 kilograms equals 544 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Portland to Roanoke

See the map of the shortest flight path between Portland International Airport (PDX) and Roanoke–Blacksburg Regional Airport (ROA).

Airport information

Origin Portland International Airport
City: Portland, OR
Country: United States Flag of United States
IATA Code: PDX
ICAO Code: KPDX
Coordinates: 45°35′19″N, 122°35′52″W
Destination Roanoke–Blacksburg Regional Airport
City: Roanoke, VA
Country: United States Flag of United States
IATA Code: ROA
ICAO Code: KROA
Coordinates: 37°19′31″N, 79°58′31″W