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MXF to OPO: distance & flight time
Montgomery (Maxwell Air Force Base) → Porto (Francisco de Sá Carneiro Airport)
4,198 mi
6,756 km · 3,648 nm
8h 42m
estimated nonstop flight time
+6h
time difference · heading northeast
See live MXF→OPO fares Phone-only fares on this route — call free
Flight time details
4,198 miles nonstop takes roughly 8h 42m 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
- MXF — Maxwell Air Force Base · Montgomery, 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 MXF
- MGM · Montgomery Regional (Dannelly Field) Airport6 mi away
- SEM · Craig Field36 mi away
- TOI · Troy Municipal Airport at N Kenneth Campbell Field42 mi away
- ALX · Thomas C Russell Field44 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 MXF from OPO?
The flight distance from Montgomery (MXF) to Porto (OPO) is 4,198 miles (6,756 km, 3,648 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MXF to OPO?
A nonstop flight takes about 8h 42m 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 Montgomery and Porto?
Porto is 6 hours ahead of Montgomery.
What is the cheapest way to fly from MXF to OPO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MXF–OPO that never appear on search engines, with no booking fees.