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OPO to MNZ: distance & flight time
Porto (Francisco de Sá Carneiro Airport) → Manassas (Manassas Regional Airport/Harry P. Davis Field)
3,550 mi
5,713 km · 3,085 nm
7h 26m
estimated nonstop flight time
-5h
time difference · heading west
See live OPO→MNZ fares Phone-only fares on this route — call free
Flight time details
3,550 miles nonstop takes roughly 7h 26m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time set-back when reading arrival times on your ticket.
The two airports
- OPO — Francisco de Sá Carneiro Airport · Porto, Portugal
- MNZ — Manassas Regional Airport/Harry P. Davis Field · Manassas, 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 MNZ
Frequently asked questions
How far is OPO from MNZ?
The flight distance from Porto (OPO) to Manassas (MNZ) is 3,550 miles (5,713 km, 3,085 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OPO to MNZ?
A nonstop flight takes about 7h 26m 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 Manassas?
Manassas is 5 hours behind Porto.
What is the cheapest way to fly from OPO to MNZ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OPO–MNZ that never appear on search engines, with no booking fees.