| Ferentino to Sangeorz-Bai | 685.45 mi (1,103.12 km) |
| Ferentino to Sannicolau Mare | 475.12 mi (764.62 km) |
| Ferentino to Santana | 521.07 mi (838.57 km) |
| Ferentino to Satu Mare | 633.08 mi (1,018.84 km) |
| Ferentino to Scobinti | 778.96 mi (1,253.61 km) |
| Ferentino to Scornicesti | 603.11 mi (970.62 km) |
| Ferentino to Sebes | 592.60 mi (953.70 km) |
| Ferentino to Seini | 645.87 mi (1,039.42 km) |
| Ferentino to Sfantu-Gheorghe | 687.96 mi (1,107.16 km) |
| Ferentino to Sibiu | 613.11 mi (986.70 km) |
| Ferentino to Sighetu Marmatiei | 675.96 mi (1,087.86 km) |
| Ferentino to Sighisoara | 653.08 mi (1,051.03 km) |
| Ferentino to Simeria | 565.13 mi (909.49 km) |
| Ferentino to Sinaia | 665.51 mi (1,071.04 km) |
| Ferentino to Slatina | 591.75 mi (952.32 km) |
