Air Miles Calculator

Distance between Chicago, IL (ORD) and Roanoke, VA (ROA)

Flight distance from Chicago to Roanoke (Chicago O'Hare International Airport – Roanoke–Blacksburg Regional Airport) is 531 miles / 854 kilometers / 461 nautical miles. Estimated flight time is 1 hour 30 minutes.

Driving distance from Chicago (ORD) to Roanoke (ROA) is 683 miles / 1099 kilometers and travel time by car is about 12 hours 25 minutes.

Map of flight path and driving directions from Chicago to Roanoke.

Shortest flight path between Chicago O'Hare International Airport (ORD) and Roanoke–Blacksburg Regional Airport (ROA).

How far is Roanoke from Chicago?

There are several ways to calculate distances between Chicago and Roanoke. Here are two common methods:

Vincenty's formula (applied above)
  • 530.522 miles
  • 853.793 kilometers
  • 461.011 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
  • 529.982 miles
  • 852.923 kilometers
  • 460.542 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).

Airport information


A Chicago O'Hare International Airport
City: Chicago, IL
Country: United States Flag of United States
IATA Code: ORD
ICAO Code: KORD
Coordinates: 41°58′42″N, 87°54′17″W

B 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

Time difference and current local times

The time difference between Chicago and Roanoke is 1 hour. Roanoke is 1 hour ahead of Chicago.

Time Difference

Chicago, IL

 CST

Roanoke, VA

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 103 kg (227 pounds).

Frequent Flyer Miles Calculator

Chicago (ORD) → Roanoke (ROA).

Distance:
531
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
531

Round trip?