| Cullera to Smolyan | 1,319.33 mi (2,123.25 km) |
| Cullera to Sofia | 1,250.64 mi (2,012.71 km) |
| Cullera to Sopot | 1,322.54 mi (2,128.42 km) |
| Cullera to Sozopol | 1,472.53 mi (2,369.81 km) |
| Cullera to Sredets | 1,447.06 mi (2,328.82 km) |
| Cullera to Stamboliyski | 1,310.64 mi (2,109.27 km) |
| Cullera to Stara Zagora | 1,367.98 mi (2,201.55 km) |
| Cullera to Svilengrad | 1,396.45 mi (2,247.37 km) |
| Cullera to Svishtov | 1,356.43 mi (2,182.97 km) |
| Cullera to Targovishte | 1,416.76 mi (2,280.05 km) |
| Cullera to Teteven | 1,298.89 mi (2,090.36 km) |
| Cullera to Troyan | 1,321.52 mi (2,126.78 km) |
| Cullera to Tryavna | 1,361.10 mi (2,190.47 km) |
| Cullera to Tutrakan | 1,421.66 mi (2,287.93 km) |
| Cullera to Varna | 1,483.78 mi (2,387.91 km) |
