There are 4 ways to get from Roscommon to Castleknock by train, bus, or car
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Train, line 37 bus
best- Take the train from Roscommon to Dublin Heustontrain Re / ...
- Take the bus from Usher's Quay to St Brigid's Churchbus 37
2h 54m€18–25Bus
- Take the bus from Roscommon to Longford Stationbus 426
- Take the bus from Longford Stn to Liffey Valley SCbus 23 / ...
3h 34m€33–44Drive 138.5 km
- Drive from Roscommon to Castleknockcar 138.5 km
1h 48m€24–34Bus, train
- Take the bus from Roscommon to Longford Stationbus 426
- Take the train from Longford to Maynoothtrain Ic / ...
3h 36m€24–34
Roscommon to Castleknock by train, tram, and bus
Questions & Answers
The cheapest way to get from Roscommon to Castleknock is to train and line 37 bus which costs €18 - €25 and takes 2h 54m.
The fastest way to get from Roscommon to Castleknock is to drive which takes 1h 48m and costs €23 - €35.
No, there is no direct bus from Roscommon to Castleknock. However, there are services departing from Roscommon and arriving at Junction 6 via Longford Stn and Liffey Valley SC. The journey, including transfers, takes approximately 3h 34m.
The distance between Roscommon and Castleknock is 170 km. The road distance is 138.5 km.
The best way to get from Roscommon to Castleknock without a car is to train and line 37 bus which takes 2h 54m and costs €18 - €25.
It takes approximately 2h 54m to get from Roscommon to Castleknock, including transfers.
Roscommon to Castleknock bus services, operated by TFI Local Link Longford Westmeath Roscommon, depart from Roscommon station.
Roscommon to Castleknock bus services, operated by TFI Local Link Longford Westmeath Roscommon, arrive at Longford Station.
Yes, the driving distance between Roscommon to Castleknock is 138 km. It takes approximately 1h 48m to drive from Roscommon to Castleknock.
There are 1195+ hotels available in Castleknock.
What companies run services between Roscommon, Ireland and Castleknock, Ireland?
You can take a bus from Roscommon to Junction 6 via Longford Stn and Liffey Valley SC in around 3h 34m.
- Phone
- 0818 294 015
- Website
- Iarnród Éireann (Irish Rail)
Train from Roscommon to Dublin Heuston
- Ave. Duration
- 2h 1m
- Frequency
- 5 times a day
- Estimated price
- €14–20
- Website
- Iarnród Éireann (Irish Rail)
- Flexible
- €14–20
Train from Longford to Maynooth
- Ave. Duration
- 1h 18m
- Frequency
- Every 3 hours
- Estimated price
- €9–13
- Website
- Iarnród Éireann (Irish Rail)
- Flexible
- €9–13
- Phone
- +353 (01) 8734222
- customercomment@dublinbus.ie
- Website
- Dublin Bus
Bus from Usher's Quay to St Brigid's Church
- Ave. Duration
- 32 min
- Frequency
- Every 30 minutes
- Estimated price
- €3
- Website
- Dublin Bus
- Cash Fare
- €3
Bus from Roscommon to Longford Station
- Ave. Duration
- 37 min
- Frequency
- Every 4 hours
- Estimated price
- €3–6
- Website
- TFI Local Link Longford Westmeath Roscommon
- Leap
- €3–4
- Cash
- €5–6
Bus from Roscommon to Longford Station
- Ave. Duration
- 37 min
- Frequency
- Every 4 hours
- Estimated price
- €3–6
- Website
- TFI Local Link Longford Westmeath Roscommon
- Leap
- €3–4
- Cash
- €5–6
- Phone
- +353 1 836 6111
- Website
- Bus Éireann
Bus from Roscommon to Longford Station
- Ave. Duration
- 36 min
- Frequency
- Once daily
- Estimated price
- €12–17
- Website
- Bus Éireann
- Standard
- €12–17
Bus from Roscommon to Longford Station
- Ave. Duration
- 36 min
- Frequency
- Once daily
- Estimated price
- €12–17
- Website
- Bus Éireann
- Standard
- €12–17
- Phone
- 0818 15 15 15
- Website
- Expressway (Bus Éireann)
Bus from Longford Stn to Liffey Valley SC
- Ave. Duration
- 1h 36m
- Frequency
- Every 2 hours
- Estimated price
- €17–24
- Website
- Expressway (Bus Éireann)
Want to know more about travelling around the world?
Rome2Rio's Travel Guide series provide vital information for the global traveller. Read our range of informative guides on popular transport routes and companies - including How to get from Heathrow Airport into central London, How do I get from Sydney to Melbourne, and Thanksgiving 2018: How to travel stress-free - to help you get the most out of your next trip.









