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ROI to TRI: distance & flight time
Roi Et (Roi Et Airport) → BRISTOL (Tri-Cities Regional TN/VA Airport)
8,781 mi
14,131 km · 7,630 nm
17h 41m
estimated nonstop flight time
-12h
time difference · heading north
See live ROI→TRI fares Phone-only fares on this route — call free
Flight time details
8,781 miles nonstop takes roughly 17h 41m 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
- ROI — Roi Et Airport · Roi Et, 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 ROI
- KKC · Khon Kaen Airport70 mi away
- BFV · Buri Ram Airport70 mi away
- ZVK · Savannakhet Airport72 mi away
- SNO · Sakon Nakhon Airport78 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 ROI from TRI?
The flight distance from Roi Et (ROI) to BRISTOL (TRI) is 8,781 miles (14,131 km, 7,630 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ROI to TRI?
A nonstop flight takes about 17h 41m 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 ROI to TRI?
Nonstop service on ROI–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 41m nonstop estimate.
What is the time difference between Roi Et and BRISTOL?
BRISTOL is 12 hours behind Roi Et.
What is the cheapest way to fly from ROI to TRI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ROI–TRI that never appear on search engines, with no booking fees.
Why are some ROI to TRI fares phone-only?
Consolidator contracts let us sell certain ROI–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.