The average bus between Portsmouth Harbour and Harwich takes 10h 21m and the fastest bus takes 7h 41m. The bus service runs several times per day from Portsmouth Harbour to Harwich. 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 3 times a day between Portsmouth Harbour and Harwich. The earliest departure is at 3:20 AM at night, and the last departure from Portsmouth Harbour is at 8:10 PM which arrives into Harwich at 8:35 AM. All services require a transfer at The Hard Interchange and take an average of 10h 21m. The schedules shown below are for the next available departures.




9h 39m • 4 changes




7h 55m • 4 changes




7h 41m • 4 changes




8h 9m • 4 changes




10h 18m • 4 changes




9h 33m • 4 changes




9h 8m • 4 changes




8h 48m • 4 changes
Want to know about travelling from Portsmouth Harbour to Harwich? 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 Portsmouth Harbour to Harwich. However, there are services departing from Portsmouth Harbour station and arriving at Harwich station via Heathrow Central Bus Station station. The journey, including transfers, takes approximately 10h 21m.
Portsmouth Harbour to Harwich bus services, operated by National Express, depart from The Hard Interchange station.
Portsmouth Harbour to Harwich bus services, operated by National Express, arrive at Mayflower Avenue station.
The distance between Portsmouth Harbour and Harwich is 209.2 km. The road distance is 287 km.
You can take a vehicle from Portsmouth Harbour to Mayflower Avenue via The Hard Interchange, Heathrow Central Bus Station, Coach Station, Bus Interchange, and Head Street in around 7h 23m.