| Niederkassel to Santeramo in Colle | 834.34 mi (1,342.75 km) |
| Niederkassel to Santo Stefano di Magra | 478.94 mi (770.79 km) |
| Niederkassel to Santo Stino di Livenza | 436.61 mi (702.65 km) |
| Niederkassel to Sarezzo | 385.50 mi (620.39 km) |
| Niederkassel to Sarno | 780.53 mi (1,256.14 km) |
| Niederkassel to Saronno | 370.31 mi (595.96 km) |
| Niederkassel to Sarzana | 482.79 mi (776.98 km) |
| Niederkassel to Sassari | 700.98 mi (1,128.11 km) |
| Niederkassel to Sasso Marconi | 484.71 mi (780.07 km) |
| Niederkassel to Sassuolo | 466.58 mi (750.88 km) |
| Niederkassel to Sava | 879.69 mi (1,415.73 km) |
| Niederkassel to Saviano | 772.06 mi (1,242.50 km) |
| Niederkassel to Savigliano | 426.98 mi (687.17 km) |
| Niederkassel to Savignano sul Panaro | 475.38 mi (765.04 km) |
| Niederkassel to Savignano sul Rubicone | 527.72 mi (849.29 km) |
