| Billingham to Sinop | 1,857.27 mi (2,988.98 km) |
| Billingham to Siran | 2,096.54 mi (3,374.05 km) |
| Billingham to Sirnak | 2,353.46 mi (3,787.52 km) |
| Billingham to Sirvan | 2,310.41 mi (3,718.24 km) |
| Billingham to Sivas | 2,034.78 mi (3,274.66 km) |
| Billingham to Sivasli | 1,820.71 mi (2,930.16 km) |
| Billingham to Siverek | 2,219.91 mi (3,572.60 km) |
| Billingham to Sivrice | 2,185.98 mi (3,518.00 km) |
| Billingham to Sivrihisar | 1,840.41 mi (2,961.86 km) |
| Billingham to Sogut | 1,761.88 mi (2,835.47 km) |
| Billingham to Sogutlu | 1,730.33 mi (2,784.70 km) |
| Billingham to Soke | 1,777.87 mi (2,861.20 km) |
| Billingham to Solhan | 2,229.19 mi (3,587.53 km) |
| Billingham to Soma | 1,709.77 mi (2,751.61 km) |
| Billingham to Sorgun | 1,961.22 mi (3,156.28 km) |
