| Plymstock to Smolyan | 1,497.43 mi (2,409.87 km) |
| Plymstock to Sofia | 1,396.67 mi (2,247.72 km) |
| Plymstock to Sopot | 1,459.94 mi (2,349.54 km) |
| Plymstock to Sozopol | 1,596.74 mi (2,569.70 km) |
| Plymstock to Sredets | 1,577.30 mi (2,538.42 km) |
| Plymstock to Stamboliyski | 1,469.47 mi (2,364.88 km) |
| Plymstock to Stara Zagora | 1,506.83 mi (2,425.01 km) |
| Plymstock to Svilengrad | 1,555.23 mi (2,502.90 km) |
| Plymstock to Svishtov | 1,452.46 mi (2,337.51 km) |
| Plymstock to Targovishte | 1,518.82 mi (2,444.30 km) |
| Plymstock to Teteven | 1,429.43 mi (2,300.44 km) |
| Plymstock to Troyan | 1,450.16 mi (2,333.80 km) |
| Plymstock to Tryavna | 1,484.81 mi (2,389.58 km) |
| Plymstock to Tutrakan | 1,493.72 mi (2,403.91 km) |
| Plymstock to Varna | 1,578.37 mi (2,540.14 km) |
