| Plympton to Smolyan | 1,496.19 mi (2,407.89 km) |
| Plympton to Sofia | 1,395.39 mi (2,245.66 km) |
| Plympton to Sopot | 1,458.60 mi (2,347.40 km) |
| Plympton to Sozopol | 1,595.31 mi (2,567.40 km) |
| Plympton to Sredets | 1,575.90 mi (2,536.16 km) |
| Plympton to Stamboliyski | 1,468.19 mi (2,362.83 km) |
| Plympton to Stara Zagora | 1,505.48 mi (2,422.83 km) |
| Plympton to Svilengrad | 1,553.91 mi (2,500.78 km) |
| Plympton to Svishtov | 1,451.01 mi (2,335.18 km) |
| Plympton to Targovishte | 1,517.36 mi (2,441.95 km) |
| Plympton to Teteven | 1,428.09 mi (2,298.29 km) |
| Plympton to Troyan | 1,448.80 mi (2,331.62 km) |
| Plympton to Tryavna | 1,483.43 mi (2,387.35 km) |
| Plympton to Tutrakan | 1,492.19 mi (2,401.44 km) |
| Plympton to Varna | 1,576.86 mi (2,537.72 km) |
