The distance from Hospital de Sao Teotonio heliport () to Mehrabad International Airport (THR) is 3175 miles or 5109 kilometers or 2757 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.
5109 kilometers is the direct flight distance between Hospital de Sao Teotonio heliport (Portugal) and Mehrabad International Airport (Iran).
How long does it take to travel from Viseu ( Portugal ) to Tehran ( Iran )?
A one-way nonstop (direct) flight between Viseu and Tehran takes around 7 hours 17 minutes.
Estimated
flight time from Hospital de Sao Teotonio heliport, Viseu, Portugal to Mehrabad International Airport, Tehran, Iran is
7 hours 17 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 • - THR
| Kilometers | | 5109 km |
| Statute Miles | | 3175 miles |
| Nautical Miles | | 2757 nm |
| Avg. Time of Flight | | 7 hours 17 minutes |
Hospital de Sao Teotonio heliport to Mehrabad International Airport Flight Route Map - to THR Flight Path
Location of Hospital de Sao Teotonio heliport & Mehrabad International Airport is given below.
Click the map to view Viseu to Tehran nonstop flight path and travel direction.
Click to see flight route on Google Map between Viseu, Portugal and Tehran, Iran. .
Nonstop flight route between Viseu, Portugal and Tehran, Iran.
Time Difference Between the Airports • - THR
Time difference between
Viseu (Portugal) and
Tehran (Iran) is 2 Hours 30 Minutes.
Tehran time is 2 Hours 30 Minutes ahead of Viseu.
| Location | Local Time |
| Viseu (Portugal) | 2026-05-05, 01:27:12 WEST |
| Tehran (Iran) | 2026-05-05, 03:57:12 +0330 |
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.