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OPO to MCW: distance & flight time
Porto (Francisco de Sá Carneiro Airport) → Mason City (Mason City Municipal Airport)
4,136 mi
6,656 km · 3,594 nm
8h 35m
estimated nonstop flight time
-6h
time difference · heading northwest
See live OPO→MCW fares Phone-only fares on this route — call free
Flight time details
4,136 miles nonstop takes roughly 8h 35m 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
- MCW — Mason City Municipal Airport · Mason City, 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 MCW
- CCY · Northeast Iowa Regional Airport37 mi away
- FOD · Fort Dodge Regional Airport60 mi away
- ALO · Waterloo Regional Airport63 mi away
- RST · Rochester International Airport67 mi away
Frequently asked questions
How far is OPO from MCW?
The flight distance from Porto (OPO) to Mason City (MCW) is 4,136 miles (6,656 km, 3,594 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OPO to MCW?
A nonstop flight takes about 8h 35m 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 Mason City?
Mason City is 6 hours behind Porto.
What is the cheapest way to fly from OPO to MCW?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OPO–MCW that never appear on search engines, with no booking fees.