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ZNA to PSM: distance & flight time
Nanaimo (Nanaimo Harbour Water Airport) → Portsmouth (Portsmouth International at Pease Airport)
2,525 mi
4,064 km · 2,194 nm
5h 25m
estimated nonstop flight time
+3h
time difference · heading east
See live ZNA→PSM fares Phone-only fares on this route — call free
Flight time details
2,525 miles nonstop takes roughly 5h 25m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time gain when reading arrival times on your ticket.
The two airports
- ZNA — Nanaimo Harbour Water Airport · Nanaimo, Canada
- 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 ZNA
- YVR · Vancouver International Airport35 mi away
- YCD · Nanaimo Airport10 mi away
- YGG · Ganges Seaplane Base31 mi away
- CXH · Vancouver Harbour Water Aerodrome39 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 ZNA from PSM?
The flight distance from Nanaimo (ZNA) to Portsmouth (PSM) is 2,525 miles (4,064 km, 2,194 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ZNA to PSM?
A nonstop flight takes about 5h 25m 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 Nanaimo and Portsmouth?
Portsmouth is 3 hours ahead of Nanaimo.
What is the cheapest way to fly from ZNA to PSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ZNA–PSM that never appear on search engines, with no booking fees.