| Parkville to Smolyan | 4,977.63 mi (8,010.72 km) |
| Parkville to Sofia | 4,875.26 mi (7,845.97 km) |
| Parkville to Sopot | 4,935.28 mi (7,942.56 km) |
| Parkville to Sozopol | 5,063.93 mi (8,149.61 km) |
| Parkville to Sredets | 5,046.80 mi (8,122.05 km) |
| Parkville to Stamboliyski | 4,947.89 mi (7,962.85 km) |
| Parkville to Stara Zagora | 4,980.83 mi (8,015.87 km) |
| Parkville to Svilengrad | 5,031.30 mi (8,097.09 km) |
| Parkville to Svishtov | 4,919.32 mi (7,916.87 km) |
| Parkville to Targovishte | 4,983.88 mi (8,020.77 km) |
| Parkville to Teteven | 4,904.62 mi (7,893.22 km) |
| Parkville to Troyan | 4,924.25 mi (7,924.82 km) |
| Parkville to Tryavna | 4,956.60 mi (7,976.87 km) |
| Parkville to Tutrakan | 4,951.44 mi (7,968.57 km) |
| Parkville to Varna | 5,038.11 mi (8,108.06 km) |
