| Castle Rock to Naas | 4,405.15 mi (7,089.41 km) |
| Castle Rock to Navan | 4,388.93 mi (7,063.30 km) |
| Castle Rock to Nenagh | 4,363.16 mi (7,021.83 km) |
| Castle Rock to Palmerston | 4,410.44 mi (7,097.92 km) |
| Castle Rock to Port Laoise | 4,389.33 mi (7,063.95 km) |
| Castle Rock to Rath To | 4,401.86 mi (7,084.11 km) |
| Castle Rock to Rathfarnham | 4,415.59 mi (7,106.20 km) |
| Castle Rock to Ros Comain | 4,336.77 mi (6,979.35 km) |
| Castle Rock to Rush | 4,414.37 mi (7,104.24 km) |
| Castle Rock to Shannon | 4,344.29 mi (6,991.45 km) |
| Castle Rock to Sligo | 4,304.29 mi (6,927.09 km) |
| Castle Rock to Swords | 4,412.11 mi (7,100.61 km) |
| Castle Rock to Tallaght | 4,413.43 mi (7,102.73 km) |
| Castle Rock to Tralee | 4,329.62 mi (6,967.85 km) |
| Castle Rock to Tramore | 4,426.22 mi (7,123.31 km) |
