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KOP to TRI: distance & flight time
Nakhon Phanom (Nakhon Phanom Airport) → BRISTOL (Tri-Cities Regional TN/VA Airport)
8,687 mi
13,981 km · 7,549 nm
17h 30m
estimated nonstop flight time
-12h
time difference · heading north
See live KOP→TRI fares Phone-only fares on this route — call free
Flight time details
8,687 miles nonstop takes roughly 17h 30m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time set-back when reading arrival times on your ticket.
The two airports
- KOP — Nakhon Phanom Airport · Nakhon Phanom, Thailand
- TRI — Tri-Cities Regional TN/VA Airport · BRISTOL, 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 TRI
- MRN · Foothills Regional Airport63 mi away
- AVL · Asheville Regional Airport72 mi away
- IKB · Wilkes County Airport75 mi away
- HKY · Hickory Regional Airport76 mi away
Frequently asked questions
How far is KOP from TRI?
The flight distance from Nakhon Phanom (KOP) to BRISTOL (TRI) is 8,687 miles (13,981 km, 7,549 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOP to TRI?
A nonstop flight takes about 17h 30m 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 KOP to TRI?
Nonstop service on KOP–TRI 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 30m nonstop estimate.
What is the time difference between Nakhon Phanom and BRISTOL?
BRISTOL is 12 hours behind Nakhon Phanom.
What is the cheapest way to fly from KOP to TRI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOP–TRI that never appear on search engines, with no booking fees.
Why are some KOP to TRI fares phone-only?
Consolidator contracts let us sell certain KOP–TRI 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.