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Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DEC–CMH that never appear on search engines, with no booking fees.