| Athy to Sangeorz-Bai | 1,440.83 mi (2,318.79 km) |
| Athy to Sannicolau Mare | 1,316.98 mi (2,119.48 km) |
| Athy to Santana | 1,343.25 mi (2,161.75 km) |
| Athy to Satu Mare | 1,353.32 mi (2,177.95 km) |
| Athy to Scobinti | 1,534.07 mi (2,468.84 km) |
| Athy to Scornicesti | 1,533.75 mi (2,468.33 km) |
| Athy to Sebes | 1,442.24 mi (2,321.07 km) |
| Athy to Seini | 1,371.04 mi (2,206.47 km) |
| Athy to Sfantu-Gheorghe | 1,537.30 mi (2,474.05 km) |
| Athy to Sibiu | 1,472.19 mi (2,369.26 km) |
| Athy to Sighetu Marmatiei | 1,390.71 mi (2,238.14 km) |
| Athy to Sighisoara | 1,483.72 mi (2,387.82 km) |
| Athy to Simeria | 1,423.08 mi (2,290.22 km) |
| Athy to Sinaia | 1,545.91 mi (2,487.90 km) |
| Athy to Slatina | 1,531.52 mi (2,464.74 km) |
