| Bovenden to Smolyan | 981.59 mi (1,579.72 km) |
| Bovenden to Sofia | 877.33 mi (1,411.93 km) |
| Bovenden to Sopot | 928.25 mi (1,493.87 km) |
| Bovenden to Sozopol | 1,045.79 mi (1,683.04 km) |
| Bovenden to Sredets | 1,030.57 mi (1,658.54 km) |
| Bovenden to Stamboliyski | 947.22 mi (1,524.40 km) |
| Bovenden to Stara Zagora | 970.67 mi (1,562.15 km) |
| Bovenden to Svilengrad | 1,023.50 mi (1,647.17 km) |
| Bovenden to Svishtov | 902.50 mi (1,452.43 km) |
| Bovenden to Targovishte | 965.15 mi (1,553.26 km) |
| Bovenden to Teteven | 898.04 mi (1,445.26 km) |
| Bovenden to Troyan | 915.39 mi (1,473.18 km) |
| Bovenden to Tryavna | 943.94 mi (1,519.13 km) |
| Bovenden to Tutrakan | 930.00 mi (1,496.69 km) |
| Bovenden to Varna | 1,016.82 mi (1,636.41 km) |
