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POX to PSM: distance & flight time
Pontoise (Pontoise - Cormeilles-en-Vexin Airport) → Portsmouth (Portsmouth International at Pease Airport)
3,380 mi
5,439 km · 2,937 nm
7h 6m
estimated nonstop flight time
-6h
time difference · heading west
See live POX→PSM fares Phone-only fares on this route — call free
Flight time details
3,380 miles nonstop takes roughly 7h 6m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- POX — Pontoise - Cormeilles-en-Vexin Airport · Pontoise, France
- 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 POX
- CDG · Charles de Gaulle International Airport24 mi away
- LBG · Paris-Le Bourget Airport20 mi away
- VIY · Villacoublay-Vélizy (BA 107) Air Base23 mi away
- CSF · Creil Air Base24 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 POX from PSM?
The flight distance from Pontoise (POX) to Portsmouth (PSM) is 3,380 miles (5,439 km, 2,937 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from POX to PSM?
A nonstop flight takes about 7h 6m 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 Pontoise and Portsmouth?
Portsmouth is 6 hours behind Pontoise.
What is the cheapest way to fly from POX to PSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on POX–PSM that never appear on search engines, with no booking fees.