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GNB to OPO: distance & flight time
Grenoble (Grenoble-Isère Airport) → Porto (Francisco de Sá Carneiro Airport)
758 mi
1,220 km · 659 nm
2h 7m
estimated nonstop flight time
-1h
time difference · heading west
See live GNB→OPO fares Phone-only fares on this route — call free
Flight time details
758 miles nonstop takes roughly 2h 7m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- GNB — Grenoble-Isère Airport · Grenoble, France
- 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 GNB
- LYS · Lyon Saint-Exupéry Airport28 mi away
- LYN · Lyon-Bron Airport31 mi away
- CMF · Chambéry-Savoie Airport33 mi away
- VAF · Valence-Chabeuil Airport35 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 GNB from OPO?
The flight distance from Grenoble (GNB) to Porto (OPO) is 758 miles (1,220 km, 659 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GNB to OPO?
A nonstop flight takes about 2h 7m 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 Grenoble and Porto?
Porto is 1 hour behind Grenoble.
What is the cheapest way to fly from GNB to OPO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GNB–OPO that never appear on search engines, with no booking fees.