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GRB to SAY: distance & flight time
Green Bay (Austin Straubel International Airport) → Siena (Siena-Ampugnano Airport)
4,609 mi
7,417 km · 4,005 nm
9h 30m
estimated nonstop flight time
+7h
time difference · heading northeast
See live GRB→SAY fares Phone-only fares on this route — call free
Flight time details
4,609 miles nonstop takes roughly 9h 30m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- GRB — Austin Straubel International Airport · Green Bay, United States
- SAY — Siena-Ampugnano Airport · Siena, 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 GRB
- ATW · Appleton International Airport25 mi away
- OSH · Wittman Regional Airport41 mi away
- MNM · Menominee Regional Airport50 mi away
- SBM · Sheboygan County Memorial Airport51 mi away
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
Frequently asked questions
How far is GRB from SAY?
The flight distance from Green Bay (GRB) to Siena (SAY) is 4,609 miles (7,417 km, 4,005 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRB to SAY?
A nonstop flight takes about 9h 30m 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 Green Bay and Siena?
Siena is 7 hours ahead of Green Bay.
What is the cheapest way to fly from GRB to SAY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRB–SAY that never appear on search engines, with no booking fees.