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ISN to TRR: distance & flight time
Williston (Sloulin Field International Airport) → Trinciomalee (China Bay Airport)
8,507 mi
13,691 km · 7,392 nm
17h 9m
estimated nonstop flight time
+10.5h
time difference · heading north
See live ISN→TRR 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 gain when reading arrival times on your ticket.
The two airports
- ISN — Sloulin Field International Airport · Williston, United States
- TRR — China Bay Airport · Trinciomalee, Sri Lanka
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 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
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
Frequently asked questions
How far is ISN from TRR?
The flight distance from Williston (ISN) to Trinciomalee (TRR) 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 ISN to TRR?
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 Williston and Trinciomalee?
Trinciomalee is 10.5 hours ahead of Williston.
What is the cheapest way to fly from ISN to TRR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISN–TRR that never appear on search engines, with no booking fees.