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OSC to GRS: distance & flight time
Oscoda (Oscoda Wurtsmith Airport) → Grosseto (Grosseto Air Base)
4,438 mi
7,143 km · 3,857 nm
9h 10m
estimated nonstop flight time
+6h
time difference · heading northeast
See live OSC→GRS fares Phone-only fares on this route — call free
Flight time details
4,438 miles nonstop takes roughly 9h 10m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- OSC — Oscoda Wurtsmith Airport · Oscoda, 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 OSC
- ECA · Iosco County Airport10 mi away
- APN · Alpena County Regional Airport44 mi away
- HTL · Roscommon County - Blodgett Memorial Airport63 mi away
- GDW · Gladwin Zettel Memorial Airport63 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 OSC from GRS?
The flight distance from Oscoda (OSC) to Grosseto (GRS) is 4,438 miles (7,143 km, 3,857 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSC to GRS?
A nonstop flight takes about 9h 10m 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 Oscoda and Grosseto?
Grosseto is 6 hours ahead of Oscoda.
What is the cheapest way to fly from OSC to GRS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSC–GRS that never appear on search engines, with no booking fees.