| Palmerston to Smolyan | 1,645.06 mi (2,647.47 km) |
| Palmerston to Sofia | 1,541.82 mi (2,481.31 km) |
| Palmerston to Sopot | 1,600.37 mi (2,575.55 km) |
| Palmerston to Sozopol | 1,728.64 mi (2,781.98 km) |
| Palmerston to Sredets | 1,711.33 mi (2,754.11 km) |
| Palmerston to Stamboliyski | 1,614.15 mi (2,597.72 km) |
| Palmerston to Stara Zagora | 1,645.59 mi (2,648.33 km) |
| Palmerston to Svilengrad | 1,696.44 mi (2,730.16 km) |
| Palmerston to Svishtov | 1,583.94 mi (2,549.11 km) |
| Palmerston to Targovishte | 1,648.77 mi (2,653.44 km) |
| Palmerston to Teteven | 1,569.72 mi (2,526.21 km) |
| Palmerston to Troyan | 1,589.09 mi (2,557.40 km) |
| Palmerston to Tryavna | 1,621.14 mi (2,608.97 km) |
| Palmerston to Tutrakan | 1,617.75 mi (2,603.51 km) |
| Palmerston to Varna | 1,704.14 mi (2,742.54 km) |
