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SAY to STS: distance & flight time
Siena (Siena-Ampugnano Airport) → Santa Rosa (Charles M. Schulz Sonoma County Airport)
6,098 mi
9,814 km · 5,299 nm
12h 25m
estimated nonstop flight time
-9h
time difference · heading northwest
See live SAY→STS fares Phone-only fares on this route — call free
Flight time details
6,098 miles nonstop takes roughly 12h 25m 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
- SAY — Siena-Ampugnano Airport · Siena, 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 SAY
- GRS · Grosseto Air Base36 mi away
- FLR · Peretola Airport38 mi away
- PSA · Pisa International Airport52 mi away
- EBA · Marina Di Campo Airport62 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 SAY from STS?
The flight distance from Siena (SAY) to Santa Rosa (STS) is 6,098 miles (9,814 km, 5,299 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SAY to STS?
A nonstop flight takes about 12h 25m 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 Siena and Santa Rosa?
Santa Rosa is 9 hours behind Siena.
What is the cheapest way to fly from SAY to STS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SAY–STS that never appear on search engines, with no booking fees.