| Soquel to Smolyan | 6,613.33 mi (10,643.13 km) |
| Soquel to Sofia | 6,512.89 mi (10,481.48 km) |
| Soquel to Sopot | 6,548.30 mi (10,538.47 km) |
| Soquel to Sozopol | 6,626.43 mi (10,664.22 km) |
| Soquel to Sredets | 6,620.21 mi (10,654.20 km) |
| Soquel to Stamboliyski | 6,575.46 mi (10,582.17 km) |
| Soquel to Stara Zagora | 6,581.71 mi (10,592.24 km) |
| Soquel to Svilengrad | 6,635.40 mi (10,678.64 km) |
| Soquel to Svishtov | 6,501.40 mi (10,463.00 km) |
| Soquel to Targovishte | 6,550.66 mi (10,542.27 km) |
| Soquel to Teteven | 6,520.93 mi (10,494.42 km) |
| Soquel to Troyan | 6,533.09 mi (10,513.98 km) |
| Soquel to Tryavna | 6,551.39 mi (10,543.44 km) |
| Soquel to Tutrakan | 6,501.14 mi (10,462.58 km) |
| Soquel to Varna | 6,580.31 mi (10,589.99 km) |
