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TRR to ISN: distance & flight time
Trinciomalee (China Bay Airport) → Williston (Sloulin Field International Airport)
8,507 mi
13,691 km · 7,392 nm
17h 9m
estimated nonstop flight time
-10.5h
time difference · heading north
See live TRR→ISN fares Phone-only fares on this route — call free
Flight time details
8,507 miles nonstop takes roughly 17h 9m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10.5-hour time set-back when reading arrival times on your ticket.
The two airports
- TRR — China Bay Airport · Trinciomalee, Sri Lanka
- ISN — Sloulin Field International Airport · Williston, 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 TRR
- HIM · Hingurakgoda Air Force Base36 mi away
- GIU · Sigiriya Air Force Base51 mi away
- ACJ · Anuradhapura Air Force Base54 mi away
- BTC · Batticaloa Airport67 mi away
Near ISN
- SDY · Sidney - Richland Regional Airport41 mi away
- YEN · Estevan Airport78 mi away
- OLF · L M Clayton Airport89 mi away
- GDV · Dawson Community Airport90 mi away
Frequently asked questions
How far is TRR from ISN?
The flight distance from Trinciomalee (TRR) to Williston (ISN) is 8,507 miles (13,691 km, 7,392 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TRR to ISN?
A nonstop flight takes about 17h 9m 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 Trinciomalee and Williston?
Williston is 10.5 hours behind Trinciomalee.
What is the cheapest way to fly from TRR to ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TRR–ISN that never appear on search engines, with no booking fees.