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PMH to CBM: distance & flight time
Portsmouth (Greater Portsmouth Regional Airport) → Colombus (Columbus Air Force Base)
475 mi
765 km · 413 nm
1h 30m
estimated nonstop flight time
—
time difference · heading southwest
See live PMH→CBM fares Phone-only fares on this route — call free
Flight time details
475 miles nonstop takes roughly 1h 30m gate to gate, flying southwest. 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
- CBM — Columbus Air Force Base · Colombus, 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 CBM
- GTR · Golden Triangle Regional Airport16 mi away
- TUP · Tupelo Regional Airport47 mi away
- TCL · Tuscaloosa Regional Airport56 mi away
- UOX · University Oxford Airport81 mi away
Frequently asked questions
How far is PMH from CBM?
The flight distance from Portsmouth (PMH) to Colombus (CBM) is 475 miles (765 km, 413 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PMH to CBM?
A nonstop flight takes about 1h 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 cheapest way to fly from PMH to CBM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PMH–CBM that never appear on search engines, with no booking fees.