The average bus between Cardiff and Harwich International Port takes 10h 16m and the fastest bus takes 7h 41m. The bus service runs several times per day from Cardiff to Harwich International Port. 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 4 times a day between Cardiff and Harwich International Port. The earliest departure is at 3:25 AM at night, and the last departure from Cardiff is at 4:40 PM which arrives into Harwich International Port at 7:18 AM. All services require a transfer at Heathrow Central Bus Station and take an average of 10h 16m. The schedules shown below are for the next available departures.



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9h 16m • 3 changes


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9h 16m • 3 changesWant to know about travelling from Cardiff to Harwich International Port? 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 Cardiff to Harwich International Port. However, there are services departing from Cardiff station and arriving at Harwich International Port station via Heathrow Central Bus Station station. The journey, including transfers, takes approximately 10h 16m.
Cardiff to Harwich International Port bus services, operated by National Express, depart from Sophia Gardens station.
Cardiff to Harwich International Port bus services, operated by National Express, arrive at Cardinal Park Cinema station.
The distance between Cardiff and Harwich International Port is 309.9 km. The road distance is 407 km.
You can take a bus from Sophia Gardens to Bristol Arms via Heathrow Central Bus Station, Coach Station, Cardinal Park Cinema, and Old Cattle Market Bus Station in around 8h 39m.