| Ferndale to Smolyan | 5,098.78 mi (8,205.69 km) |
| Ferndale to Sofia | 4,994.91 mi (8,038.52 km) |
| Ferndale to Sopot | 5,050.49 mi (8,127.98 km) |
| Ferndale to Sozopol | 5,170.38 mi (8,320.91 km) |
| Ferndale to Sredets | 5,155.32 mi (8,296.69 km) |
| Ferndale to Stamboliyski | 5,066.63 mi (8,153.95 km) |
| Ferndale to Stara Zagora | 5,094.19 mi (8,198.31 km) |
| Ferndale to Svilengrad | 5,146.35 mi (8,282.26 km) |
| Ferndale to Svishtov | 5,027.26 mi (8,090.59 km) |
| Ferndale to Targovishte | 5,089.68 mi (8,191.05 km) |
| Ferndale to Teteven | 5,019.98 mi (8,078.88 km) |
| Ferndale to Troyan | 5,038.31 mi (8,108.37 km) |
| Ferndale to Tryavna | 5,068.12 mi (8,156.35 km) |
| Ferndale to Tutrakan | 5,052.80 mi (8,131.69 km) |
| Ferndale to Varna | 5,139.56 mi (8,271.32 km) |
