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CMH to TYS: distance & flight time
Columbus (John Glenn Columbus International Airport) → Knoxville (McGhee Tyson Airport)
295 mi
475 km · 257 nm
1h 15m
estimated nonstop flight time
Same time
time difference · heading south
See live CMH→TYS fares Phone-only fares on this route — call free
Flight time details
295 miles nonstop takes roughly 1h 15m gate to gate, flying south. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- CMH — John Glenn Columbus International Airport · Columbus, United States
- TYS — McGhee Tyson Airport · Knoxville, 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
Near TYS
- MMI · McMinn County Airport43 mi away
- HDI · Hardwick Field62 mi away
- CSV · Crossville Memorial Whitson Field62 mi away
- AVL · Asheville Regional Airport86 mi away
Frequently asked questions
How far is CMH from TYS?
The flight distance from Columbus (CMH) to Knoxville (TYS) is 295 miles (475 km, 257 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CMH to TYS?
A nonstop flight takes about 1h 15m 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 cheapest way to fly from CMH to TYS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CMH–TYS that never appear on search engines, with no booking fees.