| Port Royal to Naas | 3,828.27 mi (6,161.00 km) |
| Port Royal to Navan | 3,822.83 mi (6,152.25 km) |
| Port Royal to Nenagh | 3,769.17 mi (6,065.89 km) |
| Port Royal to Palmerston | 3,838.48 mi (6,177.43 km) |
| Port Royal to Port Laoise | 3,804.37 mi (6,122.55 km) |
| Port Royal to Rath To | 3,833.30 mi (6,169.10 km) |
| Port Royal to Rathfarnham | 3,842.87 mi (6,184.51 km) |
| Port Royal to Ros Comain | 3,762.20 mi (6,054.67 km) |
| Port Royal to Rush | 3,848.27 mi (6,193.19 km) |
| Port Royal to Shannon | 3,743.00 mi (6,023.77 km) |
| Port Royal to Sligo | 3,744.28 mi (6,025.84 km) |
| Port Royal to Swords | 3,843.76 mi (6,185.93 km) |
| Port Royal to Tallaght | 3,840.07 mi (6,179.99 km) |
| Port Royal to Tralee | 3,712.80 mi (5,975.18 km) |
| Port Royal to Tramore | 3,820.63 mi (6,148.70 km) |
