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GRS to STS: distance & flight time
Grosseto (Grosseto Air Base) → Santa Rosa (Charles M. Schulz Sonoma County Airport)
6,122 mi
9,852 km · 5,320 nm
12h 28m
estimated nonstop flight time
-9h
time difference · heading northwest
See live GRS→STS fares Phone-only fares on this route — call free
Flight time details
6,122 miles nonstop takes roughly 12h 28m 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
- GRS — Grosseto Air Base · Grosseto, Italy
- STS — Charles M. Schulz Sonoma County Airport · Santa Rosa, 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 STS
- SFO · San Francisco International Airport66 mi away
- NOT · Marin County Airport - Gnoss Field29 mi away
- APC · Napa County Airport35 mi away
- UKI · Ukiah Municipal Airport47 mi away
Frequently asked questions
How far is GRS from STS?
The flight distance from Grosseto (GRS) to Santa Rosa (STS) is 6,122 miles (9,852 km, 5,320 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRS to STS?
A nonstop flight takes about 12h 28m 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 Santa Rosa?
Santa Rosa is 9 hours behind Grosseto.
What is the cheapest way to fly from GRS to STS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRS–STS that never appear on search engines, with no booking fees.