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MTN to PMH: distance & flight time
Baltimore (Martin State Airport) → Portsmouth (Greater Portsmouth Regional Airport)
347 mi
558 km · 301 nm
1h 23m
estimated nonstop flight time
—
time difference · heading west
See live MTN→PMH fares Phone-only fares on this route — call free
Flight time details
347 miles nonstop takes roughly 1h 23m gate to gate, flying west. 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
- MTN — Martin State Airport · Baltimore, United States
- PMH — Greater Portsmouth Regional 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 MTN
Near PMH
- HTS · Tri-State/Milton J. Ferguson Field36 mi away
- ATO · Ohio University Snyder Field42 mi away
- ILN · Wilmington Airpark65 mi away
- LCK · Rickenbacker International Airport67 mi away
Frequently asked questions
How far is MTN from PMH?
The flight distance from Baltimore (MTN) to Portsmouth (PMH) is 347 miles (558 km, 301 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MTN to PMH?
A nonstop flight takes about 1h 23m 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 MTN to PMH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MTN–PMH that never appear on search engines, with no booking fees.