Need help booking?
Unpublished phone-only deals available
GSP to OPO: distance & flight time
Greenville (Greenville Spartanburg International Airport) → Porto (Francisco de Sá Carneiro Airport)
3,904 mi
6,282 km · 3,392 nm
8h 7m
estimated nonstop flight time
+5h
time difference · heading northeast
See live GSP→OPO fares Phone-only fares on this route — call free
Flight time details
3,904 miles nonstop takes roughly 8h 7m 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
- GSP — Greenville Spartanburg International Airport · Greenville, United States
- 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 GSP
- GMU · Greenville Downtown Airport8 mi away
- GDC · Donaldson Field Airport13 mi away
- SPA · Spartanburg Downtown Memorial Airport15 mi away
- CLT · Charlotte Douglas International Airport75 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 GSP from OPO?
The flight distance from Greenville (GSP) to Porto (OPO) is 3,904 miles (6,282 km, 3,392 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GSP to OPO?
A nonstop flight takes about 8h 7m 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 Greenville and Porto?
Porto is 5 hours ahead of Greenville.
What is the cheapest way to fly from GSP to OPO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GSP–OPO that never appear on search engines, with no booking fees.