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OPO to MSN: distance & flight time
Porto (Francisco de Sá Carneiro Airport) → Madison (Dane County Regional Truax Field)
3,961 mi
6,374 km · 3,442 nm
8h 14m
estimated nonstop flight time
-6h
time difference · heading northwest
See live OPO→MSN fares Phone-only fares on this route — call free
Flight time details
3,961 miles nonstop takes roughly 8h 14m 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
- MSN — Dane County Regional Truax Field · Madison, 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 MSN
- JVL · Southern Wisconsin Regional Airport39 mi away
- LNR · Tri-County Regional Airport43 mi away
- FLD · Fond du Lac County Airport61 mi away
- ETB · West Bend Municipal Airport64 mi away
Frequently asked questions
How far is OPO from MSN?
The flight distance from Porto (OPO) to Madison (MSN) is 3,961 miles (6,374 km, 3,442 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OPO to MSN?
A nonstop flight takes about 8h 14m 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 Madison?
Madison is 6 hours behind Porto.
What is the cheapest way to fly from OPO to MSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OPO–MSN that never appear on search engines, with no booking fees.