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NXX to KLV: distance & flight time
Willow Grove (Willow Grove Naval Air Station/Joint Reserve Base) → Karlovy Vary (Karlovy Vary International Airport)
4,089 mi
6,580 km · 3,553 nm
8h 29m
estimated nonstop flight time
+6h
time difference · heading northeast
See live NXX→KLV fares Phone-only fares on this route — call free
Flight time details
4,089 miles nonstop takes roughly 8h 29m 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
- NXX — Willow Grove Naval Air Station/Joint Reserve Base · Willow Grove, United States
- KLV — Karlovy Vary International Airport · Karlovy Vary, Czech Republic
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 NXX
- PHL · Philadelphia International Airport23 mi away
- BBX · Wings Field8 mi away
- DYL · Doylestown Airport9 mi away
- PNE · Northeast Philadelphia Airport11 mi away
Near KLV
- HOQ · Hof-Plauen Airport47 mi away
- AOC · Altenburg-Nobitz Airport57 mi away
- BYU · Bayreuth Airport58 mi away
- PRG · Václav Havel Airport Prague60 mi away
Frequently asked questions
How far is NXX from KLV?
The flight distance from Willow Grove (NXX) to Karlovy Vary (KLV) is 4,089 miles (6,580 km, 3,553 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from NXX to KLV?
A nonstop flight takes about 8h 29m 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 Willow Grove and Karlovy Vary?
Karlovy Vary is 6 hours ahead of Willow Grove.
What is the cheapest way to fly from NXX to KLV?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on NXX–KLV that never appear on search engines, with no booking fees.