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CMH to DEC: distance & flight time
Columbus (John Glenn Columbus International Airport) → Decatur (Decatur Airport)
317 mi
510 km · 275 nm
1h 18m
estimated nonstop flight time
-1h
time difference · heading west
See live CMH→DEC fares Phone-only fares on this route — call free
Flight time details
317 miles nonstop takes roughly 1h 18m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- CMH — John Glenn Columbus International Airport · Columbus, United States
- DEC — Decatur Airport · Decatur, United States
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 CMH
Frequently asked questions
How far is CMH from DEC?
The flight distance from Columbus (CMH) to Decatur (DEC) is 317 miles (510 km, 275 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CMH to DEC?
A nonstop flight takes about 1h 18m 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 Columbus and Decatur?
Decatur is 1 hour behind Columbus.
What is the cheapest way to fly from CMH to DEC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CMH–DEC that never appear on search engines, with no booking fees.