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OCW to PSM: distance & flight time
Washington (Warren Field) → Portsmouth (Portsmouth International at Pease Airport)
616 mi
991 km · 535 nm
1h 48m
estimated nonstop flight time
Same time
time difference · heading northeast
See live OCW→PSM fares Phone-only fares on this route — call free
Flight time details
616 miles nonstop takes roughly 1h 48m gate to gate, flying northeast. 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
- OCW — Warren Field · Washington, 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 OCW
- PGV · Pitt Greenville Airport19 mi away
- EWN · Coastal Carolina Regional Airport34 mi away
- ISO · Kinston Regional Jetport At Stallings Field36 mi away
- RWI · Rocky Mount Wilson Regional Airport51 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 OCW from PSM?
The flight distance from Washington (OCW) to Portsmouth (PSM) is 616 miles (991 km, 535 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OCW to PSM?
A nonstop flight takes about 1h 48m 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 OCW to PSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OCW–PSM that never appear on search engines, with no booking fees.