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STS to PMH: distance & flight time
Santa Rosa (Charles M. Schulz Sonoma County Airport) → Portsmouth (Greater Portsmouth Regional Airport)
2,138 mi
3,441 km · 1,858 nm
4h 40m
estimated nonstop flight time
—
time difference · heading east
See live STS→PMH fares Phone-only fares on this route — call free
Flight time details
2,138 miles nonstop takes roughly 4h 40m 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
- STS — Charles M. Schulz Sonoma County Airport · Santa Rosa, 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 STS
- SFO · San Francisco International Airport66 mi away
- NOT · Marin County Airport - Gnoss Field29 mi away
- APC · Napa County Airport35 mi away
- UKI · Ukiah Municipal Airport47 mi away
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 STS from PMH?
The flight distance from Santa Rosa (STS) to Portsmouth (PMH) is 2,138 miles (3,441 km, 1,858 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STS to PMH?
A nonstop flight takes about 4h 40m 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 STS to PMH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STS–PMH that never appear on search engines, with no booking fees.