| San Celoni to Smolyan | 1,143.74 mi (1,840.67 km) |
| San Celoni to Sofia | 1,066.36 mi (1,716.14 km) |
| San Celoni to Sopot | 1,138.56 mi (1,832.34 km) |
| San Celoni to Sozopol | 1,289.60 mi (2,075.41 km) |
| San Celoni to Sredets | 1,264.74 mi (2,035.41 km) |
| San Celoni to Stamboliyski | 1,130.70 mi (1,819.68 km) |
| San Celoni to Stara Zagora | 1,185.47 mi (1,907.84 km) |
| San Celoni to Svilengrad | 1,218.74 mi (1,961.37 km) |
| San Celoni to Svishtov | 1,165.54 mi (1,875.76 km) |
| San Celoni to Targovishte | 1,228.39 mi (1,976.90 km) |
| San Celoni to Teteven | 1,112.93 mi (1,791.09 km) |
| San Celoni to Troyan | 1,135.80 mi (1,827.90 km) |
| San Celoni to Tryavna | 1,175.46 mi (1,891.71 km) |
| San Celoni to Tutrakan | 1,228.11 mi (1,976.45 km) |
| San Celoni to Varna | 1,295.52 mi (2,084.94 km) |
