Air Miles Calculator

Distance between Chicago, IL (ORD) and Bilbao (BIO)

Distance from Chicago (O'Hare International Airport) to Bilbao (Bilbao Airport) is 4129 miles / 6645 kilometers / 3588 nautical miles.

Calculations with different methods

Vincenty's formula (applied above)
  • 4129.322 miles
  • 6645.499 kilometers
  • 3588.282 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
  • 4118.453 miles
  • 6628.008 kilometers
  • 3578.838 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).

Flight duration

Estimated flight time from O'Hare International Airport (ORD) to Bilbao Airport (BIO) is 8 hours 19 minutes.

Time difference and current local times

The time difference between Chicago and Bilbao is 7 hours. Bilbao is 7 hours ahead of Chicago.

Time Difference

Chicago
Bilbao

Chicago, IL

 CDT

Bilbao

 CEST

Airport information


A 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 Bilbao Airport
City: Bilbao
Country: Spain Flag of Spain
IATA Code: BIO
ICAO Code: LEBB
Coordinates: 43°18′3″N, 2°54′38″W

Map

Chicago to Bilbao flight map.

Frequent Flyer Miles Calculator

Chicago (ORD) → Bilbao (BIO).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
4129
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
4129

Round trip?