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PMH to MTN: distance & flight time
Portsmouth (Greater Portsmouth Regional Airport) → Baltimore (Martin State Airport)
347 mi
558 km · 301 nm
1h 23m
estimated nonstop flight time
—
time difference · heading east
See live PMH→MTN fares Phone-only fares on this route — call free
Flight time details
347 miles nonstop takes roughly 1h 23m gate to gate, flying east. 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
- PMH — Greater Portsmouth Regional Airport · Portsmouth, United States
- MTN — Martin State Airport · Baltimore, 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 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
Near MTN
Frequently asked questions
How far is PMH from MTN?
The flight distance from Portsmouth (PMH) to Baltimore (MTN) is 347 miles (558 km, 301 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PMH to MTN?
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 PMH to MTN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PMH–MTN that never appear on search engines, with no booking fees.