| Penrith to Smolyan | 1,539.56 mi (2,477.68 km) |
| Penrith to Sofia | 1,435.40 mi (2,310.05 km) |
| Penrith to Sopot | 1,489.87 mi (2,397.71 km) |
| Penrith to Sozopol | 1,611.06 mi (2,592.75 km) |
| Penrith to Sredets | 1,595.32 mi (2,567.43 km) |
| Penrith to Stamboliyski | 1,506.67 mi (2,424.74 km) |
| Penrith to Stara Zagora | 1,533.47 mi (2,467.88 km) |
| Penrith to Svilengrad | 1,585.67 mi (2,551.89 km) |
| Penrith to Svishtov | 1,467.28 mi (2,361.36 km) |
| Penrith to Targovishte | 1,530.51 mi (2,463.12 km) |
| Penrith to Teteven | 1,459.39 mi (2,348.66 km) |
| Penrith to Troyan | 1,477.60 mi (2,377.97 km) |
| Penrith to Tryavna | 1,507.49 mi (2,426.08 km) |
| Penrith to Tutrakan | 1,495.87 mi (2,407.37 km) |
| Penrith to Varna | 1,582.69 mi (2,547.09 km) |
