The distance from New Jersey State Police Troop A Headquarters Heliport () to Francisco de Sá Carneiro Airport (OPO) is 3396 miles or 5466 kilometers or 2949 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.
5466 kilometers is the direct flight distance between New Jersey State Police Troop A Headquarters Heliport (United States) and Francisco de Sá Carneiro Airport (Portugal).
How long does it take to travel from Williamstown ( United States ) to Porto ( Portugal )?
A one-way nonstop (direct) flight between Williamstown and Porto takes around 7 hours 48 minutes.
Estimated
flight time from New Jersey State Police Troop A Headquarters Heliport, Williamstown, United States to Francisco de Sá Carneiro Airport, Porto, Portugal is
7 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 | | 5466 km |
| Statute Miles | | 3396 miles |
| Nautical Miles | | 2949 nm |
| Avg. Time of Flight | | 7 hours 48 minutes |
New Jersey State Police Troop A Headquarters Heliport to Francisco de Sá Carneiro Airport Flight Route Map - to OPO Flight Path
Location of New Jersey State Police Troop A Headquarters Heliport & Francisco de Sá Carneiro Airport is given below.
Click the map to view Williamstown to Porto nonstop flight path and travel direction.
Click to see flight route on Google Map between Williamstown, United States and Porto, Portugal. .
Nonstop flight route between Williamstown, United States and Porto, Portugal.
Time Difference Between the Airports • - OPO
Time difference between
Williamstown (United States) and
Porto (Portugal) is 5 Hours.
Porto time is 5 Hours ahead of Williamstown.
| Location | Local Time |
| Williamstown (United States) | 2026-11-08, 23:59:06 EST |
| Porto (Portugal) | 2026-11-09, 04:59:06 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.