| Somma Lombardo to Sangeorz-Bai | 767.13 mi (1,234.58 km) |
| Somma Lombardo to Sannicolau Mare | 573.13 mi (922.36 km) |
| Somma Lombardo to Santana | 615.22 mi (990.10 km) |
| Somma Lombardo to Satu Mare | 686.47 mi (1,104.77 km) |
| Somma Lombardo to Scobinti | 872.53 mi (1,404.20 km) |
| Somma Lombardo to Scornicesti | 775.19 mi (1,247.56 km) |
| Somma Lombardo to Sebes | 715.22 mi (1,151.03 km) |
| Somma Lombardo to Seini | 704.37 mi (1,133.58 km) |
| Somma Lombardo to Sfantu-Gheorghe | 822.01 mi (1,322.89 km) |
| Somma Lombardo to Sibiu | 744.01 mi (1,197.37 km) |
| Somma Lombardo to Sighetu Marmatiei | 733.75 mi (1,180.86 km) |
| Somma Lombardo to Sighisoara | 772.56 mi (1,243.32 km) |
| Somma Lombardo to Simeria | 688.89 mi (1,108.66 km) |
| Somma Lombardo to Sinaia | 814.66 mi (1,311.07 km) |
| Somma Lombardo to Slatina | 768.18 mi (1,236.27 km) |
