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OPO to ISW: distance & flight time
Porto (Francisco de Sá Carneiro Airport) → Wisconsin Rapids (Alexander Field South Wood County Airport)
3,943 mi
6,346 km · 3,427 nm
8h 12m
estimated nonstop flight time
-6h
time difference · heading northwest
See live OPO→ISW fares Phone-only fares on this route — call free
Flight time details
3,943 miles nonstop takes roughly 8h 12m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- OPO — Francisco de Sá Carneiro Airport · Porto, Portugal
- ISW — Alexander Field South Wood County Airport · Wisconsin Rapids, United States
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 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
Near ISW
- STE · Stevens Point Municipal Airport20 mi away
- MFI · Marshfield Municipal Airport26 mi away
- CWA · Central Wisconsin Airport30 mi away
- VOK · Volk Field36 mi away
Frequently asked questions
How far is OPO from ISW?
The flight distance from Porto (OPO) to Wisconsin Rapids (ISW) is 3,943 miles (6,346 km, 3,427 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OPO to ISW?
A nonstop flight takes about 8h 12m 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 Porto and Wisconsin Rapids?
Wisconsin Rapids is 6 hours behind Porto.
What is the cheapest way to fly from OPO to ISW?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OPO–ISW that never appear on search engines, with no booking fees.