The average bus between Portmarnock and Trim takes 2h 17m and the fastest bus takes 1h 43m. There is a bus service every few hours from Portmarnock to Trim. 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 hourly between Portmarnock and Trim. The earliest departure is at 6:21 AM in the morning, and the last departure from Portmarnock is at 10:18 PM which arrives into Trim at 12:13 AM. All services require a transfer at Talbot Street East and take an average of 2h 17m. The schedules shown below are for the next available departures.

2h 4m • 1 change

2h 12m • 1 change

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2h 13m • 1 change

2h 4m • 1 change

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2h 13m • 1 change

2h 4m • 1 change

2h 12m • 1 change

2h 12m • 1 change

2h 13m • 1 change
Want to know about travelling from Portmarnock to Trim? 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 Portmarnock to Trim. However, there are services departing from Portmarnock station and arriving at Trim station via Talbot Street East. The journey, including transfers, takes approximately 2h 17m.
Portmarnock to Trim bus services, operated by Dublin Bus, depart from Portmarnock Village station.
Portmarnock to Trim bus services, operated by Dublin Bus, arrive at Trim Ring Road station.
The distance between Portmarnock and Trim is 45.9 km. The road distance is 60 km.
You can take a bus from Portmarnock Village to Trim Ring Road via Talbot Street East and Dublin Busáras in around 2h 22m.