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SEM to KOP: distance & flight time
Selma (Craig Field) → Nakhon Phanom (Nakhon Phanom Airport)
8,916 mi
14,349 km · 7,748 nm
17h 57m
estimated nonstop flight time
+12h
time difference · heading north
See live SEM→KOP fares Phone-only fares on this route — call free
Flight time details
8,916 miles nonstop takes roughly 17h 57m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time gain when reading arrival times on your ticket.
The two airports
- SEM — Craig Field · Selma, United States
- KOP — Nakhon Phanom Airport · Nakhon Phanom, Thailand
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 SEM
Near KOP
- SNO · Sakon Nakhon Airport37 mi away
- ZVK · Savannakhet Airport58 mi away
- ROI · Roi Et Airport105 mi away
- VII · Vinh Airport115 mi away
Frequently asked questions
How far is SEM from KOP?
The flight distance from Selma (SEM) to Nakhon Phanom (KOP) is 8,916 miles (14,349 km, 7,748 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SEM to KOP?
A nonstop flight takes about 17h 57m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from SEM to KOP?
Nonstop service on SEM–KOP depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 17h 57m nonstop estimate.
What is the time difference between Selma and Nakhon Phanom?
Nakhon Phanom is 12 hours ahead of Selma.
What is the cheapest way to fly from SEM to KOP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SEM–KOP that never appear on search engines, with no booking fees.
Why are some SEM to KOP fares phone-only?
Consolidator contracts let us sell certain SEM–KOP tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.