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FSI to CSY: distance & flight time
Fort Sill (Henry Post Army Air Field (Fort Sill)) → Cheboksary (Cheboksary Airport)
5,852 mi
9,417 km · 5,085 nm
11h 56m
estimated nonstop flight time
+8h
time difference · heading north
See live FSI→CSY fares Phone-only fares on this route — call free
Flight time details
5,852 miles nonstop takes roughly 11h 56m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-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
- CSY — Cheboksary Airport · Cheboksary, Russia
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 CSY
- JOK · Yoshkar-Ola Airport47 mi away
- KZN · Kazan International Airport82 mi away
- ULY · Ulyanovsk East Airport130 mi away
- ULV · Ulyanovsk Baratayevka Airport131 mi away
Frequently asked questions
How far is FSI from CSY?
The flight distance from Fort Sill (FSI) to Cheboksary (CSY) is 5,852 miles (9,417 km, 5,085 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSI to CSY?
A nonstop flight takes about 11h 56m 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 Cheboksary?
Cheboksary is 8 hours ahead of Fort Sill.
What is the cheapest way to fly from FSI to CSY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSI–CSY that never appear on search engines, with no booking fees.