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ART to OPO: distance & flight time
Watertown (Watertown International Airport) → Porto (Francisco de Sá Carneiro Airport)
3,331 mi
5,361 km · 2,895 nm
7h
estimated nonstop flight time
+5h
time difference · heading east
See live ART→OPO fares Phone-only fares on this route — call free
Flight time details
3,331 miles nonstop takes roughly 7h gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time gain when reading arrival times on your ticket.
The two airports
- ART — Watertown International Airport · Watertown, 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 ART
- YGK · Kingston Norman Rogers Airport33 mi away
- OGS · Ogdensburg International Airport55 mi away
- RME · Griffiss International Airport61 mi away
- SYR · Syracuse Hancock International Airport61 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 ART from OPO?
The flight distance from Watertown (ART) to Porto (OPO) is 3,331 miles (5,361 km, 2,895 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ART to OPO?
A nonstop flight takes about 7h 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 Watertown and Porto?
Porto is 5 hours ahead of Watertown.
What is the cheapest way to fly from ART to OPO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ART–OPO that never appear on search engines, with no booking fees.