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ASH to OPO: distance & flight time
Nashua (Boire Field) → Porto (Francisco de Sá Carneiro Airport)
3,150 mi
5,070 km · 2,737 nm
6h 39m
estimated nonstop flight time
+5h
time difference · heading east
See live ASH→OPO fares Phone-only fares on this route — call free
Flight time details
3,150 miles nonstop takes roughly 6h 39m 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
- ASH — Boire Field · Nashua, 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 ASH
- BOS · General Edward Lawrence Logan International Airport39 mi away
- MHT · Manchester-Boston Regional Airport11 mi away
- LWM · Lawrence Municipal Airport20 mi away
- BED · Laurence G Hanscom Field24 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 ASH from OPO?
The flight distance from Nashua (ASH) to Porto (OPO) is 3,150 miles (5,070 km, 2,737 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ASH to OPO?
A nonstop flight takes about 6h 39m 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 Nashua and Porto?
Porto is 5 hours ahead of Nashua.
What is the cheapest way to fly from ASH to OPO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ASH–OPO that never appear on search engines, with no booking fees.