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GRS to RIW: distance & flight time
Grosseto (Grosseto Air Base) → Riverton WY (Riverton Regional Airport)
5,425 mi
8,730 km · 4,714 nm
11h 6m
estimated nonstop flight time
-8h
time difference · heading northwest
See live GRS→RIW fares Phone-only fares on this route — call free
Flight time details
5,425 miles nonstop takes roughly 11h 6m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time set-back when reading arrival times on your ticket.
The two airports
- GRS — Grosseto Air Base · Grosseto, Italy
- RIW — Riverton Regional Airport · Riverton WY, 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 GRS
- SAY · Siena-Ampugnano Airport36 mi away
- EBA · Marina Di Campo Airport42 mi away
- FCO · Leonardo da Vinci–Fiumicino Airport89 mi away
- PSA · Pisa International Airport72 mi away
Near RIW
- LND · Hunt Field22 mi away
- WRL · Worland Municipal Airport67 mi away
- PWY · Ralph Wenz Field71 mi away
- BPI · Miley Memorial Field90 mi away
Frequently asked questions
How far is GRS from RIW?
The flight distance from Grosseto (GRS) to Riverton WY (RIW) is 5,425 miles (8,730 km, 4,714 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRS to RIW?
A nonstop flight takes about 11h 6m 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 Grosseto and Riverton WY?
Riverton WY is 8 hours behind Grosseto.
What is the cheapest way to fly from GRS to RIW?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRS–RIW that never appear on search engines, with no booking fees.