There are no direct trains between Belfast and Mullingar. Such a journey would involve getting at least two trains. One from Belfast to Dublin and another from Dublin to Mullingar.
Arriva Trains Northern was created in 2001.
Arriva Trains Northern ended in 2004.
You can get their directly by car or bus. By train, the nearest stop to Limavady is Bellarena. You can get a taxi from there to Limavady. From Belfast, you can get trains and buses from the city centre.
Belfast is serviced by 2 airports. Belfast International airport is a 40 minute bus Journey away from the city centre and Belfast City airport is a 20 minute bus journey away. Buses are frequent and reasonably inexpensive. Taxi's are also readily available from each airport
there is no train service between belfast international airport and belfast city centre, however there is a dedicated bus service that leaves every hour and leaves you at the bus station at the rear of the europa hotel in belfast city centre. it takes approx 45 minutes.
I'm pretty sure that is cars, or bicyling.
There are 2 lines and about 64 trams.
The Class 319/0 electric trains were chosen for Northern Rail
You would need to get at least 2 trains, one from Belfast to Dublin and one from Dublin to Cork. They are at different stations, so you would have to travel from one to the other on arriving in Dublin, which you can also do by rail. The whole journey from Belfast to Cork could take between 5 and 6 hours, depending on the times you travel and the connections for the departure times.
Cars, trucks, motorcycles, buses, trains, cabs, subways
there are nlo trains from NY to Ireland, look at a world map