| Culleredo to Smolyan | 1,680.40 mi (2,704.34 km) |
| Culleredo to Sofia | 1,593.82 mi (2,565.00 km) |
| Culleredo to Sopot | 1,664.96 mi (2,679.49 km) |
| Culleredo to Sozopol | 1,814.72 mi (2,920.51 km) |
| Culleredo to Sredets | 1,791.13 mi (2,882.55 km) |
| Culleredo to Stamboliyski | 1,662.51 mi (2,675.56 km) |
| Culleredo to Stara Zagora | 1,712.99 mi (2,756.79 km) |
| Culleredo to Svilengrad | 1,751.78 mi (2,819.21 km) |
| Culleredo to Svishtov | 1,680.69 mi (2,704.81 km) |
| Culleredo to Targovishte | 1,746.41 mi (2,810.57 km) |
| Culleredo to Teteven | 1,637.03 mi (2,634.54 km) |
| Culleredo to Troyan | 1,659.77 mi (2,671.15 km) |
| Culleredo to Tryavna | 1,698.73 mi (2,733.85 km) |
| Culleredo to Tutrakan | 1,737.08 mi (2,795.56 km) |
| Culleredo to Varna | 1,812.43 mi (2,916.82 km) |
