• Airport Distance Calculator
• Flight Distance Between Cities
• Chicago to Porto Flight Time, Distance

Chicago to Porto Flight Time, Distance, Route Map

Flight time from Chicago, United States to Porto, Portugal is 7 hours 52 minutes under avarage conditions. Our flight time calculator assumes an average flight speed for a commercial airliner of 500 mph, which is equivalent to 805 km/hr or 434 knots. Actual flight times may vary depending on aircraft type, cruise speed, routing, weather conditions, passenger load, and other factors.

What is the Flight Distance Between Chicago and Porto?

The flight distance from Chicago (United States) to Porto (Portugal) is 3931 miles. This is equivalent to 6326 kilometers or 3414 nautical miles. The calculated distance (air line) is the straight line distance or direct flight distance between cities. The nearest airport to Chicago, is Midway Airport (MDW) and the nearest airport to Porto, is Porto Airport (OPO).

Chicago - Porto Timezones & Time Difference

Current local time in Chicago is 2025-12-21, 14:22:32 CST
Current local time in Porto is 2025-12-21, 20:22:32 WET.
Time difference between Chicago (United States) and Porto (Portugal) is 6 Hours.
Porto time is 6 Hours ahead of Chicago.

Chicago to Porto Flight Route Map

Flight map from Chicago, United States to Porto, Portugal is given below.
Click the map to view Chicago to Porto nonstop flight path and travel direction.

The distance between cities calculated based on their latitudes and longitudes. This is also called distance as the crow flies. Bird flight distance is calculated by drawing a straight line between two point coordinates. The length of this drawn line will give the shortest distance value. This distance may be very much different from the actual travel distance. Chicago GPS Coordinates: Latitude: N 41° 52' 41.2'' Longitude: W 87° 37' 47.3'' Porto GPS Coordinates: Latitude: N 41° 9' 28.6'' Longitude: W 8° 37' 44.8'' Chicago Map, Where is Chicago located? Porto Map, Where is Porto located?

---