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PSM to MER: distance & flight time
Portsmouth (Portsmouth International at Pease Airport) → Merced (Castle Airport)
2,615 mi
4,208 km · 2,272 nm
5h 36m
estimated nonstop flight time
-3h
time difference · heading west
See live PSM→MER fares Phone-only fares on this route — call free
Flight time details
2,615 miles nonstop takes roughly 5h 36m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time set-back when reading arrival times on your ticket.
The two airports
- PSM — Portsmouth International at Pease Airport · Portsmouth, United States
- MER — Castle Airport · Merced, 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 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
Near MER
- MCE · Merced Regional Macready Field7 mi away
- MOD · Modesto City Co-Harry Sham Field27 mi away
- RMY · Mariposa Yosemite Airport30 mi away
- MAE · Madera Municipal Airport37 mi away
Frequently asked questions
How far is PSM from MER?
The flight distance from Portsmouth (PSM) to Merced (MER) is 2,615 miles (4,208 km, 2,272 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PSM to MER?
A nonstop flight takes about 5h 36m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from PSM to MER?
Nonstop service on PSM–MER depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 5h 36m nonstop estimate.
What is the time difference between Portsmouth and Merced?
Merced is 3 hours behind Portsmouth.
What is the cheapest way to fly from PSM to MER?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PSM–MER that never appear on search engines, with no booking fees.
Why are some PSM to MER fares phone-only?
Consolidator contracts let us sell certain PSM–MER tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.