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KOP to BIL: distance & flight time
Nakhon Phanom (Nakhon Phanom Airport) → Billings (Billings Logan International Airport)
7,602 mi
12,235 km · 6,606 nm
15h 22m
estimated nonstop flight time
-13h
time difference · heading northeast
See live KOP→BIL fares Phone-only fares on this route — call free
Flight time details
7,602 miles nonstop takes roughly 15h 22m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time set-back when reading arrival times on your ticket.
The two airports
- KOP — Nakhon Phanom Airport · Nakhon Phanom, Thailand
- BIL — Billings Logan International Airport · Billings, 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 KOP
- SNO · Sakon Nakhon Airport37 mi away
- ZVK · Savannakhet Airport58 mi away
- ROI · Roi Et Airport105 mi away
- VII · Vinh Airport115 mi away
Near BIL
- COD · Yellowstone Regional Airport92 mi away
- LVM · Mission Field92 mi away
- LWT · Lewistown Municipal Airport96 mi away
- SHR · Sheridan County Airport105 mi away
Frequently asked questions
How far is KOP from BIL?
The flight distance from Nakhon Phanom (KOP) to Billings (BIL) is 7,602 miles (12,235 km, 6,606 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOP to BIL?
A nonstop flight takes about 15h 22m 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 time difference between Nakhon Phanom and Billings?
Billings is 13 hours behind Nakhon Phanom.
What is the cheapest way to fly from KOP to BIL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOP–BIL that never appear on search engines, with no booking fees.