The average bus between Columbus Airport (CMH) and Washington takes 16h 13m and the fastest bus takes 15h 1m. The bus service runs several times per day from Columbus Airport (CMH) to Washington. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run twice daily between Columbus Airport (CMH) and Washington. The earliest departure is at 3:49 PM in the afternoon, and the last departure from Columbus Airport (CMH) is at 10:34 PM which arrives into Washington at 3:45 PM. All services require a transfer at E Main St & S High St and take an average of 16h 13m. The schedules shown below are for the next available departures.
Arrives next day


15h 1m • 2 changes
Arrives next day


17h 11m • 2 changes
Arrives next day


15h 1m • 2 changes
Arrives next day


17h 11m • 2 changes
Want to know about travelling from Columbus Airport (CMH) to Washington? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct bus from Columbus Airport (CMH) to Washington. However, there are services departing from Columbus Airport (CMH) station and arriving at Washington station via Pittsburgh Intermodal Station station. The journey, including transfers, takes approximately 16h 13m.
Columbus Airport (CMH) to Washington bus services, operated by COTA, depart from Columbus station.
Columbus Airport (CMH) to Washington bus services, operated by COTA, arrive at Washington Union Station.
The distance between Columbus Airport (CMH) and Washington is 516.8 km. The road distance is 703 km.
You can take a bus from John Glenn Columbus Intnl Airport (CMH) to Washington Union Station via E Main St & S High St, Columbus, and Pittsburgh Intermodal Station in around 11h 28m.