Need help booking?
Unpublished phone-only deals available
RAL to PSM: distance & flight time
Riverside (Riverside Municipal Airport) → Portsmouth (Portsmouth International at Pease Airport)
2,563 mi
4,125 km · 2,228 nm
5h 30m
estimated nonstop flight time
+3h
time difference · heading northeast
See live RAL→PSM fares Phone-only fares on this route — call free
Flight time details
2,563 miles nonstop takes roughly 5h 30m gate to gate, flying northeast. 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
- RAL — Riverside Municipal Airport · Riverside, 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 RAL
- ONT · Ontario International Airport11 mi away
- CNO · Chino Airport11 mi away
- RIV · March ARB Airport12 mi away
- LAX · Los Angeles International Airport55 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 RAL from PSM?
The flight distance from Riverside (RAL) to Portsmouth (PSM) is 2,563 miles (4,125 km, 2,228 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RAL to PSM?
A nonstop flight takes about 5h 30m 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 Riverside and Portsmouth?
Portsmouth is 3 hours ahead of Riverside.
What is the cheapest way to fly from RAL to PSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RAL–PSM that never appear on search engines, with no booking fees.