The distance from J Maddock Airport () to Humberto Delgado Airport (Lisbon Portela Airport) (LIS) is 4034 miles or 6492 kilometers or 3503 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.
6492 kilometers is the direct flight distance between J Maddock Airport (United States) and Humberto Delgado Airport (Lisbon Portela Airport) (Portugal).
How long does it take to travel from Big Rock ( United States ) to Lisbon ( Portugal )?
A one-way nonstop (direct) flight between Big Rock and Lisbon takes around 9 hours 16 minutes.
Estimated
flight time from J Maddock Airport, Big Rock, United States to Humberto Delgado Airport (Lisbon Portela Airport), Lisbon, Portugal is
9 hours 16 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 • - LIS
| Kilometers | | 6492 km |
| Statute Miles | | 4034 miles |
| Nautical Miles | | 3503 nm |
| Avg. Time of Flight | | 9 hours 16 minutes |
J Maddock Airport to Humberto Delgado Airport (Lisbon Portela Airport) Flight Route Map - to LIS Flight Path
Location of J Maddock Airport & Humberto Delgado Airport (Lisbon Portela Airport) is given below.
Click the map to view Big Rock to Lisbon nonstop flight path and travel direction.
Click to see flight route on Google Map between Big Rock, United States and Lisbon, Portugal. .
Nonstop flight route between Big Rock, United States and Lisbon, Portugal.
Time Difference Between the Airports • - LIS
Time difference between
Big Rock (United States) and
Lisbon (Portugal) is 6 Hours.
Lisbon time is 6 Hours ahead of Big Rock.
| Location | Local Time |
| Big Rock (United States) | 2026-05-03, 04:03:48 CDT |
| Lisbon (Portugal) | 2026-05-03, 10:03:48 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.