The average bus between Castlebar and Naas takes 5h 27m and the fastest bus takes 4h 42m. The bus service runs several times per day from Castlebar to Naas. 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 Castlebar and Naas. The earliest departure is at 12:45 AM at night, and the last departure from Castlebar is at 6:50 PM which arrives into Naas at 12:27 AM. All services require a transfer at Dublin Airport Zone 15 and take an average of 5h 27m. The schedules shown below are for the next available departures.

4h 42m • 1 change

5h 27m • 1 change

5h 32m • 1 change

5h 37m • 1 change

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5h 37m • 1 change

4h 42m • 1 change

5h 27m • 1 change

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5h 37m • 1 change

4h 42m • 1 change

5h 27m • 1 change

5h 32m • 1 change

5h 37m • 1 change

4h 42m • 1 change

5h 27m • 1 change

5h 32m • 1 change

5h 37m • 1 change

4h 42m • 1 change

5h 27m • 1 change

5h 32m • 1 change

5h 37m • 1 change
Want to know about travelling from Castlebar to Naas? 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 Castlebar to Naas. However, there are services departing from Castlebar station and arriving at Naas station via Dublin Airport Zone 15. The journey, including transfers, takes approximately 5h 27m.
Castlebar to Naas bus services, operated by Citylink, depart from Castlebar station.
Castlebar to Naas bus services, operated by Citylink, arrive at Kildare Co Co station.
The distance between Castlebar and Naas is 187.9 km. The road distance is 300 km.
You can take a bus from Castlebar to Kildare Co Co via Dublin Airport Zone 15 and Dublin Airport Zone 16 in around 5h 24m.