| Parthenay to Smolyan | 1,279.93 mi (2,059.85 km) |
| Parthenay to Sofia | 1,185.26 mi (1,907.49 km) |
| Parthenay to Sopot | 1,253.69 mi (2,017.63 km) |
| Parthenay to Sozopol | 1,399.35 mi (2,252.04 km) |
| Parthenay to Sredets | 1,377.37 mi (2,216.66 km) |
| Parthenay to Stamboliyski | 1,256.87 mi (2,022.73 km) |
| Parthenay to Stara Zagora | 1,301.81 mi (2,095.05 km) |
| Parthenay to Svilengrad | 1,345.57 mi (2,165.49 km) |
| Parthenay to Svishtov | 1,259.37 mi (2,026.76 km) |
| Parthenay to Targovishte | 1,326.13 mi (2,134.20 km) |
| Parthenay to Teteven | 1,224.21 mi (1,970.18 km) |
| Parthenay to Troyan | 1,246.34 mi (2,005.79 km) |
| Parthenay to Tryavna | 1,283.85 mi (2,066.16 km) |
| Parthenay to Tutrakan | 1,310.23 mi (2,108.61 km) |
| Parthenay to Varna | 1,390.14 mi (2,237.22 km) |
