The average bus between Navan and Castlebar takes 4h 49m and the fastest bus takes 4h 40m. The bus service runs several times per day from Navan 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 Navan and Castlebar. The earliest departure is at 6:05 AM in the morning, and the last departure from Navan is at 11:05 PM which arrives into Castlebar at 3:45 AM. All services require a transfer at Irish Life and take an average of 4h 49m. The schedules shown below are for the next available departures.

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4h 46m • 1 change
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4h 50m • 1 change
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4h 40m • 1 change

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4h 55m • 1 change

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4h 53m • 1 change

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Want to know about travelling from Navan 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 Navan to Castlebar. However, there are services departing from Navan station and arriving at Castlebar station via Irish Life. The journey, including transfers, takes approximately 4h 49m.
Navan to Castlebar bus services, operated by Bus Éireann, depart from Navan station.
Navan to Castlebar bus services, operated by Bus Éireann, arrive at Castlebar station.
The distance between Navan and Castlebar is 173.5 km. The road distance is 295 km.
You can take a bus from Navan to Castlebar via Irish Life and Crampton Quay in around 5h 45m.