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ROA to GNB: distance & flight time
Roanoke VA (Roanoke–Blacksburg Regional Airport) → Grenoble (Grenoble-Isère Airport)
4,249 mi
6,838 km · 3,692 nm
8h 48m
estimated nonstop flight time
+6h
time difference · heading northeast
See live ROA→GNB fares Phone-only fares on this route — call free
Flight time details
4,249 miles nonstop takes roughly 8h 48m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- ROA — Roanoke–Blacksburg Regional Airport · Roanoke VA, United States
- GNB — Grenoble-Isère Airport · Grenoble, France
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 ROA
- LYH · Lynchburg Regional Preston Glenn Field43 mi away
- LWB · Greenbrier Valley Airport44 mi away
- DAN · Danville Regional Airport63 mi away
- BLF · Mercer County Airport68 mi away
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
Frequently asked questions
How far is ROA from GNB?
The flight distance from Roanoke VA (ROA) to Grenoble (GNB) is 4,249 miles (6,838 km, 3,692 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ROA to GNB?
A nonstop flight takes about 8h 48m 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 Roanoke VA and Grenoble?
Grenoble is 6 hours ahead of Roanoke VA.
What is the cheapest way to fly from ROA to GNB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ROA–GNB that never appear on search engines, with no booking fees.