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STS to GRS: distance & flight time
Santa Rosa (Charles M. Schulz Sonoma County Airport) → Grosseto (Grosseto Air Base)
6,122 mi
9,852 km · 5,320 nm
12h 28m
estimated nonstop flight time
+9h
time difference · heading northeast
See live STS→GRS fares Phone-only fares on this route — call free
Flight time details
6,122 miles nonstop takes roughly 12h 28m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time gain when reading arrival times on your ticket.
The two airports
- STS — Charles M. Schulz Sonoma County Airport · Santa Rosa, United States
- GRS — Grosseto Air Base · Grosseto, Italy
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 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
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
Frequently asked questions
How far is STS from GRS?
The flight distance from Santa Rosa (STS) to Grosseto (GRS) 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 STS to GRS?
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 Santa Rosa and Grosseto?
Grosseto is 9 hours ahead of Santa Rosa.
What is the cheapest way to fly from STS to GRS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STS–GRS that never appear on search engines, with no booking fees.