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INT to OPO: distance & flight time
Winston-salem (Smith Reynolds Airport) → Porto (Francisco de Sá Carneiro Airport)
3,764 mi
6,057 km · 3,271 nm
7h 51m
estimated nonstop flight time
+5h
time difference · heading northeast
See live INT→OPO fares Phone-only fares on this route — call free
Flight time details
3,764 miles nonstop takes roughly 7h 51m 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
- INT — Smith Reynolds Airport · Winston-salem, 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 INT
- GSO · Piedmont Triad International Airport16 mi away
- CLT · Charlotte Douglas International Airport75 mi away
- SVH · Statesville Regional Airport48 mi away
- IKB · Wilkes County Airport49 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 INT from OPO?
The flight distance from Winston-salem (INT) to Porto (OPO) is 3,764 miles (6,057 km, 3,271 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from INT to OPO?
A nonstop flight takes about 7h 51m 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 Winston-salem and Porto?
Porto is 5 hours ahead of Winston-salem.
What is the cheapest way to fly from INT to OPO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on INT–OPO that never appear on search engines, with no booking fees.