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GNB to TTD: distance & flight time
Grenoble (Grenoble-Isère Airport) → Troutdale (Portland Troutdale Airport)
5,394 mi
8,680 km · 4,687 nm
11h 3m
estimated nonstop flight time
-9h
time difference · heading northwest
See live GNB→TTD fares Phone-only fares on this route — call free
Flight time details
5,394 miles nonstop takes roughly 11h 3m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time set-back when reading arrival times on your ticket.
The two airports
- GNB — Grenoble-Isère Airport · Grenoble, France
- TTD — Portland Troutdale Airport · Troutdale, 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 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 TTD
- PDX · Portland International Airport10 mi away
- HIO · Portland Hillsboro Airport27 mi away
- KLS · Southwest Washington Regional Airport46 mi away
- SLE · Salem Municipal Airport/McNary Field53 mi away
Frequently asked questions
How far is GNB from TTD?
The flight distance from Grenoble (GNB) to Troutdale (TTD) is 5,394 miles (8,680 km, 4,687 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GNB to TTD?
A nonstop flight takes about 11h 3m 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 Troutdale?
Troutdale is 9 hours behind Grenoble.
What is the cheapest way to fly from GNB to TTD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GNB–TTD that never appear on search engines, with no booking fees.