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OSC to ALN: distance & flight time
Oscoda (Oscoda Wurtsmith Airport) → Alton/St Louis (St Louis Regional Airport)
515 mi
829 km · 447 nm
1h 35m
estimated nonstop flight time
—
time difference · heading southwest
See live OSC→ALN fares Phone-only fares on this route — call free
Flight time details
515 miles nonstop takes roughly 1h 35m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- OSC — Oscoda Wurtsmith Airport · Oscoda, United States
- ALN — St Louis Regional Airport · Alton/St Louis, 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 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 ALN
- STL · St Louis Lambert International Airport20 mi away
- BLV · Scott AFB/Midamerica Airport26 mi away
- SUS · Spirit of St Louis Airport36 mi away
- SPI · Abraham Lincoln Capital Airport69 mi away
Frequently asked questions
How far is OSC from ALN?
The flight distance from Oscoda (OSC) to Alton/St Louis (ALN) is 515 miles (829 km, 447 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSC to ALN?
A nonstop flight takes about 1h 35m 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 cheapest way to fly from OSC to ALN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSC–ALN that never appear on search engines, with no booking fees.