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NST to PMH: distance & flight time

Nakhon Si Thammarat (Nakhon Si Thammarat Airport) → Portsmouth (Greater Portsmouth Regional Airport)

9,158 mi
14,739 km · 7,958 nm
18h 25m
estimated nonstop flight time
—
time difference · heading north
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Flight time details

9,158 miles nonstop takes roughly 18h 25m 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.

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The two airports

Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.

Alternate airports can cut this fare

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Frequently asked questions

How far is NST from PMH?

The flight distance from Nakhon Si Thammarat (NST) to Portsmouth (PMH) is 9,158 miles (14,739 km, 7,958 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from NST to PMH?

A nonstop flight takes about 18h 25m 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 NST to PMH?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on NST–PMH that never appear on search engines, with no booking fees.
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