| Calasparra to Smolyan | 1,412.57 mi (2,273.30 km) |
| Calasparra to Sofia | 1,346.11 mi (2,166.36 km) |
| Calasparra to Sopot | 1,417.81 mi (2,281.74 km) |
| Calasparra to Sozopol | 1,567.31 mi (2,522.34 km) |
| Calasparra to Sredets | 1,541.73 mi (2,481.17 km) |
| Calasparra to Stamboliyski | 1,404.97 mi (2,261.07 km) |
| Calasparra to Stara Zagora | 1,462.82 mi (2,354.18 km) |
| Calasparra to Svilengrad | 1,490.06 mi (2,398.03 km) |
| Calasparra to Svishtov | 1,453.23 mi (2,338.75 km) |
| Calasparra to Targovishte | 1,512.90 mi (2,434.79 km) |
| Calasparra to Teteven | 1,394.66 mi (2,244.49 km) |
| Calasparra to Troyan | 1,417.19 mi (2,280.75 km) |
| Calasparra to Tryavna | 1,456.69 mi (2,344.32 km) |
| Calasparra to Tutrakan | 1,518.95 mi (2,444.52 km) |
| Calasparra to Varna | 1,579.81 mi (2,542.46 km) |
