Need help booking?
Unpublished phone-only deals available
UTH to PMH: distance & flight time
Udon Thani (Udon Thani Airport) → Portsmouth (Greater Portsmouth Regional Airport)
8,535 mi
13,735 km · 7,417 nm
17h 12m
estimated nonstop flight time
—
time difference · heading north
See live UTH→PMH fares Phone-only fares on this route — call free
Flight time details
8,535 miles nonstop takes roughly 17h 12m gate to gate, flying north. 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
- UTH — Udon Thani Airport · Udon Thani, Thailand
- 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 UTH
- VTE · Wattay International Airport44 mi away
- KKC · Khon Kaen Airport64 mi away
- LOE · Loei Airport70 mi away
- SNO · Sakon Nakhon Airport89 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 UTH from PMH?
The flight distance from Udon Thani (UTH) to Portsmouth (PMH) is 8,535 miles (13,735 km, 7,417 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from UTH to PMH?
A nonstop flight takes about 17h 12m 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 UTH to PMH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on UTH–PMH that never appear on search engines, with no booking fees.