The average bus between Trim Castle and Castlebar takes 5h 8m and the fastest bus takes 4h 49m. The bus service runs several times per day from Trim Castle to Castlebar. 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 4 hours between Trim Castle and Castlebar. The earliest departure is at 6:02 AM in the morning, and the last departure from Trim Castle is at 10:03 PM which arrives into Castlebar at 3:45 AM. All services require a transfer at Trim Ring Road and take an average of 5h 8m. The schedules shown below are for the next available departures.

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Want to know about travelling from Trim Castle to Castlebar? 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 Trim Castle to Castlebar. However, there are services departing from Trim Castle station and arriving at Castlebar station via Dublin, O'Connell Street Upper (The Gresham Hotel). The journey, including transfers, takes approximately 5h 8m.
Trim Castle to Castlebar bus services, operated by Bus Éireann, depart from Trim Ring Road station.
Trim Castle to Castlebar bus services, operated by Bus Éireann, arrive at Castlebar station.
The distance between Trim Castle and Castlebar is 168.5 km. The road distance is 290 km.
You can take a vehicle from Trim Castle to Castlebar via Trim Ring Road, Dublin, O'Connell Street Upper (The Gresham Hotel), and Crampton Quay in around 5h 51m.