| Monschau to Siran | 1,730.50 mi (2,784.97 km) |
| Monschau to Sirnak | 1,984.72 mi (3,194.10 km) |
| Monschau to Sirvan | 1,942.95 mi (3,126.88 km) |
| Monschau to Sivas | 1,658.29 mi (2,668.75 km) |
| Monschau to Sivasli | 1,414.10 mi (2,275.78 km) |
| Monschau to Siverek | 1,841.13 mi (2,963.01 km) |
| Monschau to Sivrice | 1,810.72 mi (2,914.07 km) |
| Monschau to Sivrihisar | 1,443.26 mi (2,322.70 km) |
| Monschau to Sogut | 1,362.90 mi (2,193.38 km) |
| Monschau to Sogutlu | 1,336.73 mi (2,151.26 km) |
| Monschau to Soke | 1,363.53 mi (2,194.40 km) |
| Monschau to Solhan | 1,863.14 mi (2,998.43 km) |
| Monschau to Soma | 1,299.92 mi (2,092.02 km) |
| Monschau to Sorgun | 1,578.46 mi (2,540.29 km) |
| Monschau to Suhut | 1,445.74 mi (2,326.69 km) |
