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KCO to HLN: distance & flight time
Topel (Cengiz Topel Airport) → Helena (Helena Regional Airport)
5,966 mi
9,602 km · 5,185 nm
12h 10m
estimated nonstop flight time
-9h
time difference · heading northwest
See live KCO→HLN fares Phone-only fares on this route — call free
Flight time details
5,966 miles nonstop takes roughly 12h 10m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time set-back when reading arrival times on your ticket.
The two airports
- KCO — Cengiz Topel Airport · Topel, Turkey
- HLN — Helena Regional Airport · Helena, 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 KCO
- IST · Istanbul Airport79 mi away
- SAW · Sabiha Gökçen International Airport42 mi away
- YEI · Bursa Yenişehir Airport43 mi away
- BTZ · Bursa Airport66 mi away
Near HLN
- BTM · Bert Mooney Airport51 mi away
- GTF · Great Falls International Airport67 mi away
- BZN · Gallatin Field70 mi away
- LVM · Mission Field97 mi away
Frequently asked questions
How far is KCO from HLN?
The flight distance from Topel (KCO) to Helena (HLN) is 5,966 miles (9,602 km, 5,185 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KCO to HLN?
A nonstop flight takes about 12h 10m 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 Topel and Helena?
Helena is 9 hours behind Topel.
What is the cheapest way to fly from KCO to HLN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KCO–HLN that never appear on search engines, with no booking fees.