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FSI to NHT: distance & flight time
Fort Sill (Henry Post Army Air Field (Fort Sill)) → Northolt (RAF Northolt)
4,700 mi
7,564 km · 4,084 nm
9h 41m
estimated nonstop flight time
+6h
time difference · heading northeast
See live FSI→NHT fares Phone-only fares on this route — call free
Flight time details
4,700 miles nonstop takes roughly 9h 41m 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
- FSI — Henry Post Army Air Field (Fort Sill) · Fort Sill, United States
- NHT — RAF Northolt · Northolt, United Kingdom
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 NHT
- LHR · London Heathrow Airport6 mi away
- LGW · London Gatwick Airport30 mi away
- HYC · Wycombe Air Park17 mi away
- LCY · London City Airport21 mi away
Frequently asked questions
How far is FSI from NHT?
The flight distance from Fort Sill (FSI) to Northolt (NHT) is 4,700 miles (7,564 km, 4,084 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSI to NHT?
A nonstop flight takes about 9h 41m 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 Fort Sill and Northolt?
Northolt is 6 hours ahead of Fort Sill.
What is the cheapest way to fly from FSI to NHT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSI–NHT that never appear on search engines, with no booking fees.