| Cowes to Smolyan | 1,386.23 mi (2,230.92 km) |
| Cowes to Sofia | 1,284.42 mi (2,067.08 km) |
| Cowes to Sopot | 1,346.22 mi (2,166.54 km) |
| Cowes to Sozopol | 1,480.68 mi (2,382.93 km) |
| Cowes to Sredets | 1,461.82 mi (2,352.57 km) |
| Cowes to Stamboliyski | 1,357.18 mi (2,184.17 km) |
| Cowes to Stara Zagora | 1,392.66 mi (2,241.27 km) |
| Cowes to Svilengrad | 1,441.91 mi (2,320.53 km) |
| Cowes to Svishtov | 1,336.08 mi (2,150.21 km) |
| Cowes to Targovishte | 1,402.12 mi (2,256.50 km) |
| Cowes to Teteven | 1,315.62 mi (2,117.28 km) |
| Cowes to Troyan | 1,335.95 mi (2,150.01 km) |
| Cowes to Tryavna | 1,369.87 mi (2,204.58 km) |
| Cowes to Tutrakan | 1,375.49 mi (2,213.64 km) |
| Cowes to Varna | 1,460.68 mi (2,350.74 km) |
