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MLI to OPO: distance & flight time
Moline (Quad City International Airport) → Porto (Francisco de Sá Carneiro Airport)
4,069 mi
6,549 km · 3,536 nm
8h 27m
estimated nonstop flight time
+6h
time difference · heading northeast
See live MLI→OPO fares Phone-only fares on this route — call free
Flight time details
4,069 miles nonstop takes roughly 8h 27m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- MLI — Quad City International Airport · Moline, 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 MLI
- CWI · Clinton Municipal Airport28 mi away
- GBG · Galesburg Municipal Airport35 mi away
- IOW · Iowa City Municipal Airport55 mi away
- BRL · Southeast Iowa Regional Airport56 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 MLI from OPO?
The flight distance from Moline (MLI) to Porto (OPO) is 4,069 miles (6,549 km, 3,536 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MLI to OPO?
A nonstop flight takes about 8h 27m 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 Moline and Porto?
Porto is 6 hours ahead of Moline.
What is the cheapest way to fly from MLI to OPO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MLI–OPO that never appear on search engines, with no booking fees.