| Castelli Calepio to Siran | 1,516.84 mi (2,441.12 km) |
| Castelli Calepio to Sirnak | 1,759.64 mi (2,831.87 km) |
| Castelli Calepio to Sirvan | 1,721.04 mi (2,769.74 km) |
| Castelli Calepio to Sivas | 1,428.05 mi (2,298.23 km) |
| Castelli Calepio to Sivasli | 1,124.63 mi (1,809.92 km) |
| Castelli Calepio to Siverek | 1,601.65 mi (2,577.61 km) |
| Castelli Calepio to Sivrice | 1,578.42 mi (2,540.22 km) |
| Castelli Calepio to Sivrihisar | 1,176.89 mi (1,894.02 km) |
| Castelli Calepio to Sogut | 1,094.82 mi (1,761.94 km) |
| Castelli Calepio to Sogutlu | 1,082.46 mi (1,742.05 km) |
| Castelli Calepio to Soke | 1,051.49 mi (1,692.20 km) |
| Castelli Calepio to Solhan | 1,645.63 mi (2,648.39 km) |
| Castelli Calepio to Soma | 1,004.21 mi (1,616.12 km) |
| Castelli Calepio to Sorgun | 1,338.68 mi (2,154.39 km) |
| Castelli Calepio to Suhut | 1,162.43 mi (1,870.76 km) |
