The distance from AdventHealth Central Texas Heliport () to Francisco de Sá Carneiro Airport (OPO) is 4801 miles or 7726 kilometers or 4169 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.
7726 kilometers is the direct flight distance between AdventHealth Central Texas Heliport (United States) and Francisco de Sá Carneiro Airport (Portugal).
How long does it take to travel from Killeen ( United States ) to Porto ( Portugal )?
A one-way nonstop (direct) flight between Killeen and Porto takes around 11 hours 2 minutes.
Estimated
flight time from AdventHealth Central Texas Heliport, Killeen, United States to Francisco de Sá Carneiro Airport, Porto, Portugal is
11 hours 2 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 | | 7726 km |
| Statute Miles | | 4801 miles |
| Nautical Miles | | 4169 nm |
| Avg. Time of Flight | | 11 hours 2 minutes |
AdventHealth Central Texas Heliport to Francisco de Sá Carneiro Airport Flight Route Map - to OPO Flight Path
Location of AdventHealth Central Texas Heliport & Francisco de Sá Carneiro Airport is given below.
Click the map to view Killeen to Porto nonstop flight path and travel direction.
Click to see flight route on Google Map between Killeen, United States and Porto, Portugal. .
Nonstop flight route between Killeen, United States and Porto, Portugal.
Time Difference Between the Airports • - OPO
Time difference between
Killeen (United States) and
Porto (Portugal) is 6 Hours.
Porto time is 6 Hours ahead of Killeen.
| Location | Local Time |
| Killeen (United States) | 2026-03-21, 21:50:17 MDT |
| Porto (Portugal) | 2026-03-22, 03:50:17 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.