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FSI to CPH: distance & flight time
Fort Sill (Henry Post Army Air Field (Fort Sill)) → Copenhagen (Copenhagen Kastrup Airport)
5,003 mi
8,051 km · 4,347 nm
10h 17m
estimated nonstop flight time
+7h
time difference · heading northeast
See live FSI→CPH fares Phone-only fares on this route — call free
Flight time details
5,003 miles nonstop takes roughly 10h 17m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- FSI — Henry Post Army Air Field (Fort Sill) · Fort Sill, United States
- CPH — Copenhagen Kastrup Airport · Copenhagen, Denmark
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 FSI
- LAW · Lawton Fort Sill Regional Airport6 mi away
- DUC · Halliburton Field28 mi away
- HBR · Hobart Regional Airport44 mi away
- SPS · Sheppard Air Force Base-Wichita Falls Municipal Airport46 mi away
Near CPH
- RKE · Copenhagen Roskilde Airport21 mi away
- MMX · Malmö Sturup Airport29 mi away
- AGH · Ängelholm-Helsingborg Airport47 mi away
- KID · Kristianstad Airport59 mi away
Frequently asked questions
How far is FSI from CPH?
The flight distance from Fort Sill (FSI) to Copenhagen (CPH) is 5,003 miles (8,051 km, 4,347 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSI to CPH?
A nonstop flight takes about 10h 17m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from FSI to CPH?
Nonstop service on FSI–CPH depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 10h 17m nonstop estimate.
What is the time difference between Fort Sill and Copenhagen?
Copenhagen is 7 hours ahead of Fort Sill.
What is the cheapest way to fly from FSI to CPH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSI–CPH that never appear on search engines, with no booking fees.
Why are some FSI to CPH fares phone-only?
Consolidator contracts let us sell certain FSI–CPH tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.