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ISN to CND: distance & flight time
Williston (Sloulin Field International Airport) → Constanta (Mihail Kogălniceanu International Airport)
5,416 mi
8,717 km · 4,707 nm
11h 5m
estimated nonstop flight time
+8h
time difference · heading northeast
See live ISN→CND fares Phone-only fares on this route — call free
Flight time details
5,416 miles nonstop takes roughly 11h 5m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time gain when reading arrival times on your ticket.
The two airports
- ISN — Sloulin Field International Airport · Williston, United States
- CND — Mihail Kogălniceanu International Airport · Constanta, Romania
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 CND
- TCE · Tulcea Airport50 mi away
- VAR · Varna Airport85 mi away
- BBU · Băneasa International Airport118 mi away
- OTP · Henri Coandă International Airport119 mi away
Frequently asked questions
How far is ISN from CND?
The flight distance from Williston (ISN) to Constanta (CND) is 5,416 miles (8,717 km, 4,707 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISN to CND?
A nonstop flight takes about 11h 5m 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 Constanta?
Constanta is 8 hours ahead of Williston.
What is the cheapest way to fly from ISN to CND?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISN–CND that never appear on search engines, with no booking fees.