The distance from Hickman Airport () to Francisco de Sá Carneiro Airport (OPO) is 4263 miles or 6861 kilometers or 3702 nautical miles.
The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.
6861 kilometers is the direct flight distance between Hickman Airport (United States) and Francisco de Sá Carneiro Airport (Portugal).
How long does it take to travel from Black Oak ( United States ) to Porto ( Portugal )?
A one-way nonstop (direct) flight between Black Oak and Porto takes around 9 hours 48 minutes.
Estimated
flight time from Hickman Airport, Black Oak, United States to Francisco de Sá Carneiro Airport, Porto, Portugal is
9 hours 48 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.
Travel Distance Between the Airports • - OPO
| Kilometers | | 6861 km |
| Statute Miles | | 4263 miles |
| Nautical Miles | | 3702 nm |
| Avg. Time of Flight | | 9 hours 48 minutes |
Hickman Airport to Francisco de Sá Carneiro Airport Flight Route Map - to OPO Flight Path
Location of Hickman Airport & Francisco de Sá Carneiro Airport is given below.
Click the map to view Black Oak to Porto nonstop flight path and travel direction.
Click to see flight route on Google Map between Black Oak, United States and Porto, Portugal. .
Nonstop flight route between Black Oak, United States and Porto, Portugal.
Time Difference Between the Airports • - OPO
Time difference between
Black Oak (United States) and
Porto (Portugal) is 6 Hours.
Porto time is 6 Hours ahead of Black Oak.
| Location | Local Time |
| Black Oak (United States) | 2026-05-03, 20:48:26 CDT |
| Porto (Portugal) | 2026-05-04, 02:48:26 WEST |
Why should you arrive 3 hours before international flight?
Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.