| South Houston to Naas | 4,548.61 mi (7,320.28 km) |
| South Houston to Navan | 4,538.86 mi (7,304.59 km) |
| South Houston to Nenagh | 4,495.08 mi (7,234.13 km) |
| South Houston to Palmerston | 4,557.08 mi (7,333.91 km) |
| South Houston to Port Laoise | 4,527.42 mi (7,286.18 km) |
| South Houston to Rath To | 4,550.48 mi (7,323.29 km) |
| South Houston to Rathfarnham | 4,561.85 mi (7,341.58 km) |
| South Houston to Ros Comain | 4,480.45 mi (7,210.58 km) |
| South Houston to Rush | 4,564.76 mi (7,346.27 km) |
| South Houston to Shannon | 4,471.25 mi (7,195.79 km) |
| South Houston to Sligo | 4,456.48 mi (7,172.01 km) |
| South Houston to Swords | 4,561.04 mi (7,340.29 km) |
| South Houston to Tallaght | 4,559.25 mi (7,337.40 km) |
| South Houston to Tralee | 4,446.45 mi (7,155.87 km) |
| South Houston to Tramore | 4,551.88 mi (7,325.55 km) |
