| Ferndale to Popovo | 5,072.16 mi (8,162.85 km) |
| Ferndale to Provadia | 5,123.73 mi (8,245.84 km) |
| Ferndale to Radnevo | 5,111.03 mi (8,225.40 km) |
| Ferndale to Radomir | 4,987.47 mi (8,026.55 km) |
| Ferndale to Rakitovo | 5,056.69 mi (8,137.96 km) |
| Ferndale to Rakovski | 5,075.54 mi (8,168.29 km) |
| Ferndale to Razgrad | 5,073.76 mi (8,165.43 km) |
| Ferndale to Razlog | 5,037.97 mi (8,107.82 km) |
| Ferndale to Ruse | 5,039.57 mi (8,110.40 km) |
| Ferndale to Samokov | 5,020.24 mi (8,079.30 km) |
| Ferndale to Sandanski | 5,045.58 mi (8,120.08 km) |
| Ferndale to Sevlievo | 5,046.34 mi (8,121.30 km) |
| Ferndale to Shumen | 5,100.81 mi (8,208.97 km) |
| Ferndale to Silistra | 5,072.72 mi (8,163.75 km) |
| Ferndale to Sliven | 5,107.55 mi (8,219.80 km) |
