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CMH to OSH: distance & flight time
Columbus (John Glenn Columbus International Airport) → Oshkosh (Wittman Regional Airport)
400 mi
644 km · 348 nm
1h 20m
estimated nonstop flight time
-1h
time difference · heading northwest
See live CMH→OSH fares Phone-only fares on this route — call free
Flight time details
400 miles nonstop takes roughly 1h 20m gate to gate, flying northwest. 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
- OSH — Wittman Regional Airport · Oshkosh, 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 OSH
- FLD · Fond du Lac County Airport15 mi away
- ATW · Appleton International Airport19 mi away
- SBM · Sheboygan County Memorial Airport38 mi away
- GRB · Austin Straubel International Airport41 mi away
Frequently asked questions
How far is CMH from OSH?
The flight distance from Columbus (CMH) to Oshkosh (OSH) is 400 miles (644 km, 348 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CMH to OSH?
A nonstop flight takes about 1h 20m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from CMH to OSH?
Nonstop service on CMH–OSH depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 1h 20m nonstop estimate.
What is the time difference between Columbus and Oshkosh?
Oshkosh is 1 hour behind Columbus.
What is the cheapest way to fly from CMH to OSH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CMH–OSH that never appear on search engines, with no booking fees.
Why are some CMH to OSH fares phone-only?
Consolidator contracts let us sell certain CMH–OSH tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.