| Ronciglione to Sangeorz-Bai | 703.29 mi (1,131.84 km) |
| Ronciglione to Sannicolau Mare | 490.70 mi (789.70 km) |
| Ronciglione to Santana | 537.43 mi (864.91 km) |
| Ronciglione to Satu Mare | 644.09 mi (1,036.57 km) |
| Ronciglione to Scobinti | 800.71 mi (1,288.62 km) |
| Ronciglione to Scornicesti | 637.99 mi (1,026.75 km) |
| Ronciglione to Sebes | 616.91 mi (992.83 km) |
| Ronciglione to Seini | 658.21 mi (1,059.29 km) |
| Ronciglione to Sfantu-Gheorghe | 716.44 mi (1,153.01 km) |
| Ronciglione to Sibiu | 639.59 mi (1,029.32 km) |
| Ronciglione to Sighetu Marmatiei | 688.81 mi (1,108.54 km) |
| Ronciglione to Sighisoara | 677.99 mi (1,091.12 km) |
| Ronciglione to Simeria | 589.03 mi (947.96 km) |
| Ronciglione to Sinaia | 696.71 mi (1,121.25 km) |
| Ronciglione to Slatina | 627.34 mi (1,009.60 km) |
