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ASH to KSC: distance & flight time
Nashua (Boire Field) → Kosice (Košice Airport)
4,206 mi
6,769 km · 3,655 nm
8h 43m
estimated nonstop flight time
+6h
time difference · heading northeast
See live ASH→KSC fares Phone-only fares on this route — call free
Flight time details
4,206 miles nonstop takes roughly 8h 43m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- ASH — Boire Field · Nashua, United States
- KSC — Košice Airport · Kosice, Slovakia
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 ASH
- BOS · General Edward Lawrence Logan International Airport39 mi away
- MHT · Manchester-Boston Regional Airport11 mi away
- LWM · Lawrence Municipal Airport20 mi away
- BED · Laurence G Hanscom Field24 mi away
Near KSC
- UDJ · Uzhhorod International Airport47 mi away
- TAT · Poprad-Tatry Airport54 mi away
- DEB · Debrecen International Airport83 mi away
- SLD · Sliač Airport96 mi away
Frequently asked questions
How far is ASH from KSC?
The flight distance from Nashua (ASH) to Kosice (KSC) is 4,206 miles (6,769 km, 3,655 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ASH to KSC?
A nonstop flight takes about 8h 43m 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 Nashua and Kosice?
Kosice is 6 hours ahead of Nashua.
What is the cheapest way to fly from ASH to KSC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ASH–KSC that never appear on search engines, with no booking fees.