| San Severo to Siran | 1,239.81 mi (1,995.29 km) |
| San Severo to Sirnak | 1,463.70 mi (2,355.60 km) |
| San Severo to Sirvan | 1,429.11 mi (2,299.94 km) |
| San Severo to Sivas | 1,137.93 mi (1,831.32 km) |
| San Severo to Sivasli | 786.91 mi (1,266.41 km) |
| San Severo to Siverek | 1,296.49 mi (2,086.50 km) |
| San Severo to Sivrice | 1,280.83 mi (2,061.30 km) |
| San Severo to Sivrihisar | 860.76 mi (1,385.25 km) |
| San Severo to Sogut | 781.16 mi (1,257.15 km) |
| San Severo to Sogutlu | 784.95 mi (1,263.25 km) |
| San Severo to Soke | 694.22 mi (1,117.24 km) |
| San Severo to Solhan | 1,360.20 mi (2,189.03 km) |
| San Severo to Soma | 665.35 mi (1,070.78 km) |
| San Severo to Sorgun | 1,042.65 mi (1,677.98 km) |
| San Severo to Suhut | 829.44 mi (1,334.86 km) |
