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SOM to OPO: distance & flight time
San Tome (San Tomé Airport) → Porto (Francisco de Sá Carneiro Airport)
4,037 mi
6,497 km · 3,508 nm
8h 23m
estimated nonstop flight time
+5h
time difference · heading northeast
See live SOM→OPO fares Phone-only fares on this route — call free
Flight time details
4,037 miles nonstop takes roughly 8h 23m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time gain when reading arrival times on your ticket.
The two airports
- SOM — San Tomé Airport · San Tome, Venezuela
- OPO — Francisco de Sá Carneiro Airport · Porto, Portugal
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near SOM
- AAO · Anaco Airport40 mi away
- CBL · Aeropuerto "General Tomas de Heres". Ciudad Bolivar71 mi away
- MUN · Maturín Airport88 mi away
- BLA · General José Antonio Anzoategui International Airport89 mi away
Near OPO
- BGZ · Braga Municipal Aerodrome26 mi away
- VRL · Vila Real Airport50 mi away
- VSE · Aerodromo Goncalves Lobato (Viseu Airport)55 mi away
- VGO · Vigo Airport68 mi away
Frequently asked questions
How far is SOM from OPO?
The flight distance from San Tome (SOM) to Porto (OPO) is 4,037 miles (6,497 km, 3,508 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SOM to OPO?
A nonstop flight takes about 8h 23m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between San Tome and Porto?
Porto is 5 hours ahead of San Tome.
What is the cheapest way to fly from SOM to OPO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SOM–OPO that never appear on search engines, with no booking fees.