| Willoughby to Sereflikochisar | 5,531.95 mi (8,902.81 km) |
| Willoughby to Serik | 5,540.38 mi (8,916.37 km) |
| Willoughby to Serinhisar | 5,436.78 mi (8,749.65 km) |
| Willoughby to Serinyol | 5,761.43 mi (9,272.13 km) |
| Willoughby to Seydisehir | 5,544.45 mi (8,922.93 km) |
| Willoughby to Seyhan | 5,697.62 mi (9,169.44 km) |
| Willoughby to Seyitgazi | 5,400.74 mi (8,691.66 km) |
| Willoughby to Siirt | 5,884.09 mi (9,469.53 km) |
| Willoughby to Sile | 5,276.26 mi (8,491.31 km) |
| Willoughby to Silifke | 5,675.89 mi (9,134.46 km) |
| Willoughby to Silivri | 5,229.88 mi (8,416.67 km) |
| Willoughby to Silopi | 5,938.53 mi (9,557.14 km) |
| Willoughby to Simav | 5,353.11 mi (8,615.00 km) |
| Willoughby to Sinanpasa | 5,417.82 mi (8,719.14 km) |
| Willoughby to Sindirgi | 5,314.41 mi (8,552.72 km) |
