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SPF to CNG: distance & flight time
Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field) → Cognac (Cognac-Châteaubernard (BA 709) Air Base)
4,654 mi
7,490 km · 4,044 nm
9h 36m
estimated nonstop flight time
+8h
time difference · heading northeast
See live SPF→CNG fares Phone-only fares on this route — call free
Flight time details
4,654 miles nonstop takes roughly 9h 36m gate to gate, flying northeast. 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
- SPF — Black Hills Airport-Clyde Ice Field · Spearfish-South Dakota, United States
- CNG — Cognac-Châteaubernard (BA 709) Air Base · Cognac, France
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 SPF
- RCA · Ellsworth Air Force Base41 mi away
- RAP · Rapid City Regional Airport47 mi away
- GCC · Gillette Campbell County Airport87 mi away
- CDR · Chadron Municipal Airport119 mi away
Near CNG
- ANG · Angoulême-Brie-Champniers Airport26 mi away
- RYN · Royan-Médis Airport32 mi away
- RCO · Rochefort-Saint-Agnant (BA 721) Airport36 mi away
- NIT · Niort-Souché Airport45 mi away
Frequently asked questions
How far is SPF from CNG?
The flight distance from Spearfish-South Dakota (SPF) to Cognac (CNG) is 4,654 miles (7,490 km, 4,044 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPF to CNG?
A nonstop flight takes about 9h 36m 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 Spearfish-South Dakota and Cognac?
Cognac is 8 hours ahead of Spearfish-South Dakota.
What is the cheapest way to fly from SPF to CNG?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPF–CNG that never appear on search engines, with no booking fees.