| Walkden to Sinop | 1,887.75 mi (3,038.05 km) |
| Walkden to Siran | 2,128.57 mi (3,425.60 km) |
| Walkden to Sirnak | 2,384.85 mi (3,838.04 km) |
| Walkden to Sirvan | 2,342.22 mi (3,769.44 km) |
| Walkden to Sivas | 2,062.79 mi (3,319.74 km) |
| Walkden to Sivasli | 1,833.27 mi (2,950.37 km) |
| Walkden to Siverek | 2,247.22 mi (3,616.56 km) |
| Walkden to Sivrice | 2,214.67 mi (3,564.17 km) |
| Walkden to Sivrihisar | 1,858.72 mi (2,991.32 km) |
| Walkden to Sogut | 1,779.10 mi (2,863.19 km) |
| Walkden to Sogutlu | 1,750.36 mi (2,816.93 km) |
| Walkden to Soke | 1,784.14 mi (2,871.29 km) |
| Walkden to Solhan | 2,261.40 mi (3,639.38 km) |
| Walkden to Soma | 1,719.91 mi (2,767.93 km) |
| Walkden to Sorgun | 1,986.55 mi (3,197.04 km) |
