| Crosby to Smolyan | 1,518.14 mi (2,443.21 km) |
| Crosby to Sofia | 1,414.43 mi (2,276.31 km) |
| Crosby to Sopot | 1,471.47 mi (2,368.11 km) |
| Crosby to Sozopol | 1,597.33 mi (2,570.65 km) |
| Crosby to Sredets | 1,580.54 mi (2,543.63 km) |
| Crosby to Stamboliyski | 1,486.42 mi (2,392.16 km) |
| Crosby to Stara Zagora | 1,516.14 mi (2,439.99 km) |
| Crosby to Svilengrad | 1,567.53 mi (2,522.70 km) |
| Crosby to Svishtov | 1,452.83 mi (2,338.11 km) |
| Crosby to Targovishte | 1,517.17 mi (2,441.66 km) |
| Crosby to Teteven | 1,440.86 mi (2,318.84 km) |
| Crosby to Troyan | 1,459.82 mi (2,349.36 km) |
| Crosby to Tryavna | 1,491.11 mi (2,399.71 km) |
| Crosby to Tutrakan | 1,484.97 mi (2,389.82 km) |
| Crosby to Varna | 1,571.55 mi (2,529.16 km) |
