The distance from Caribou Municipal Airport (CAR) to Francisco de Sá Carneiro Airport (OPO) is 2901 miles or 4669 kilometers or 2519 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.
4669 kilometers is the direct flight distance between Caribou Municipal Airport (United States) and Francisco de Sá Carneiro Airport (Portugal).
How long does it take to travel from Caribou ( United States ) to Porto ( Portugal )?
A one-way nonstop (direct) flight between Caribou and Porto takes around 6 hours 40 minutes.
Estimated
flight time from Caribou Municipal Airport, Caribou, United States to Francisco de Sá Carneiro Airport, Porto, Portugal is
6 hours 40 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 • CAR - OPO
| Kilometers | | 4669 km |
| Statute Miles | | 2901 miles |
| Nautical Miles | | 2519 nm |
| Avg. Time of Flight | | 6 hours 40 minutes |
Caribou Municipal Airport to Francisco de Sá Carneiro Airport Flight Route Map - CAR to OPO Flight Path
Location of Caribou Municipal Airport & Francisco de Sá Carneiro Airport is given below.
Click the map to view Caribou to Porto nonstop flight path and travel direction.
Click to see flight route on Google Map between Caribou, United States and Porto, Portugal. .
Nonstop flight route between Caribou, United States and Porto, Portugal.
Time Difference Between the Airports • CAR - OPO
Time difference between
Caribou (United States) and
Porto (Portugal) is 5 Hours.
Porto time is 5 Hours ahead of Caribou.
| Location | Local Time |
| Caribou (United States) | 2025-12-13, 16:00:15 EST |
| Porto (Portugal) | 2025-12-13, 21:00:15 WET |
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.