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PMH to ACH: distance & flight time
Portsmouth (Greater Portsmouth Regional Airport) → Altenrhein (St Gallen Altenrhein Airport)
4,414 mi
7,104 km · 3,836 nm
9h 7m
estimated nonstop flight time
—
time difference · heading northeast
See live PMH→ACH fares Phone-only fares on this route — call free
Flight time details
4,414 miles nonstop takes roughly 9h 7m gate to gate, flying northeast. 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
- ACH — St Gallen Altenrhein Airport · Altenrhein, Switzerland
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 ACH
- HOH · Hohenems-Dornbirn Airport9 mi away
- FDH · Friedrichshafen Airport13 mi away
- ZRH · Zürich Airport47 mi away
- FMM · Memmingen Allgau Airport47 mi away
Frequently asked questions
How far is PMH from ACH?
The flight distance from Portsmouth (PMH) to Altenrhein (ACH) is 4,414 miles (7,104 km, 3,836 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PMH to ACH?
A nonstop flight takes about 9h 7m 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 ACH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PMH–ACH that never appear on search engines, with no booking fees.