| Tondela to Siran | 2,455.32 mi (3,951.45 km) |
| Tondela to Sirnak | 2,683.84 mi (4,319.23 km) |
| Tondela to Sirvan | 2,648.74 mi (4,262.74 km) |
| Tondela to Sivas | 2,356.53 mi (3,792.47 km) |
| Tondela to Sivasli | 2,003.00 mi (3,223.52 km) |
| Tondela to Siverek | 2,516.92 mi (4,050.58 km) |
| Tondela to Sivrice | 2,500.91 mi (4,024.82 km) |
| Tondela to Sivrihisar | 2,081.10 mi (3,349.21 km) |
| Tondela to Sogut | 2,001.57 mi (3,221.22 km) |
| Tondela to Sogutlu | 2,003.50 mi (3,224.31 km) |
| Tondela to Soke | 1,898.95 mi (3,056.07 km) |
| Tondela to Solhan | 2,578.47 mi (4,149.65 km) |
| Tondela to Soma | 1,882.48 mi (3,029.56 km) |
| Tondela to Sorgun | 2,262.03 mi (3,640.38 km) |
| Tondela to Suhut | 2,046.86 mi (3,294.11 km) |
