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OSC to PSM: distance & flight time
Oscoda (Oscoda Wurtsmith Airport) → Portsmouth (Portsmouth International at Pease Airport)
634 mi
1,020 km · 551 nm
1h 51m
estimated nonstop flight time
Same time
time difference · heading east
See live OSC→PSM fares Phone-only fares on this route — call free
Flight time details
634 miles nonstop takes roughly 1h 51m gate to gate, flying east. 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
- PSM — Portsmouth International at Pease Airport · Portsmouth, 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 PSM
- BOS · General Edward Lawrence Logan International Airport50 mi away
- LWM · Lawrence Municipal Airport29 mi away
- MHT · Manchester-Boston Regional Airport33 mi away
- BVY · Beverly Municipal Airport34 mi away
Frequently asked questions
How far is OSC from PSM?
The flight distance from Oscoda (OSC) to Portsmouth (PSM) is 634 miles (1,020 km, 551 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSC to PSM?
A nonstop flight takes about 1h 51m 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 PSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSC–PSM that never appear on search engines, with no booking fees.