| Puerto Real to Smolyan | 1,684.33 mi (2,710.66 km) |
| Puerto Real to Sofia | 1,618.98 mi (2,605.50 km) |
| Puerto Real to Sopot | 1,690.59 mi (2,720.75 km) |
| Puerto Real to Sozopol | 1,839.86 mi (2,960.97 km) |
| Puerto Real to Sredets | 1,814.24 mi (2,919.73 km) |
| Puerto Real to Stamboliyski | 1,677.34 mi (2,699.42 km) |
| Puerto Real to Stara Zagora | 1,735.42 mi (2,792.89 km) |
| Puerto Real to Svilengrad | 1,762.02 mi (2,835.70 km) |
| Puerto Real to Svishtov | 1,726.38 mi (2,778.33 km) |
| Puerto Real to Targovishte | 1,785.95 mi (2,874.20 km) |
| Puerto Real to Teteven | 1,667.61 mi (2,683.77 km) |
| Puerto Real to Troyan | 1,690.12 mi (2,719.98 km) |
| Puerto Real to Tryavna | 1,729.59 mi (2,783.50 km) |
| Puerto Real to Tutrakan | 1,792.11 mi (2,884.13 km) |
| Puerto Real to Varna | 1,852.82 mi (2,981.83 km) |
