| Caldiran to Smolyan | 1,023.30 mi (1,646.84 km) |
| Caldiran to Sofia | 1,099.42 mi (1,769.35 km) |
| Caldiran to Sopot | 1,027.37 mi (1,653.39 km) |
| Caldiran to Sozopol | 876.43 mi (1,410.48 km) |
| Caldiran to Sredets | 900.90 mi (1,449.86 km) |
| Caldiran to Stamboliyski | 1,034.56 mi (1,664.97 km) |
| Caldiran to Stara Zagora | 980.03 mi (1,577.21 km) |
| Caldiran to Svilengrad | 947.00 mi (1,524.05 km) |
| Caldiran to Svishtov | 1,008.33 mi (1,622.76 km) |
| Caldiran to Targovishte | 942.63 mi (1,517.02 km) |
| Caldiran to Teteven | 1,054.05 mi (1,696.33 km) |
| Caldiran to Troyan | 1,031.17 mi (1,659.51 km) |
| Caldiran to Tryavna | 991.77 mi (1,596.10 km) |
| Caldiran to Tutrakan | 953.67 mi (1,534.79 km) |
| Caldiran to Varna | 876.59 mi (1,410.74 km) |
