The average bus between Washington and Mountainside takes 5h 55m and the fastest bus takes 4h 47m. The bus service runs several times per day from Washington to Mountainside. 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 every 3 hours between Washington and Mountainside. The earliest departure is at 12:45 AM at night, and the last departure from Washington is at 6:30 PM which arrives into Mountainside at 12:08 AM. All services require a transfer, and take on average 5h 55m. The schedules shown below are for the next available departures.

5h 14m • 1 change

5h 22m • 1 change

6h 47m • 1 change

6h 25m • 1 change

5h 44m • 1 change

5h 14m • 1 change

5h 22m • 1 change

6h 47m • 1 change

6h 4m • 1 change

5h 14m • 1 change

5h 22m • 1 change

6h 47m • 1 change

5h 32m • 1 change

5h 45m • 1 change

7h 10m • 1 change

6h 43m • 1 change

5h 39m • 1 change

5h 18m • 1 change

6h 43m • 1 change

6h 21m • 1 change

6h 4m • 1 change

5h 14m • 1 change

5h 22m • 1 change

6h 47m • 1 change
Want to know about travelling from Washington to Mountainside? 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 Washington to Mountainside. However, there are services departing from Washington station and arriving at Mountainside station via Newark Penn Station station. The journey, including transfers, takes approximately 5h 55m.
Washington to Mountainside bus services, operated by Greyhound USA, depart from Washington Union Station.
Washington to Mountainside bus services, operated by Greyhound USA, arrive at Newark Penn Station.
The distance between Washington and Mountainside is 302.4 km. The road distance is 374 km.
Greyhound USA operates a bus from Washington Union Station to Newark Penn Station every 4 hours. Tickets cost $35–70 and the journey takes 4h. Flixbus USA also services this route every 4 hours.