| Foz to Popovo | 1,668.24 mi (2,684.77 km) |
| Foz to Provadia | 1,729.67 mi (2,783.64 km) |
| Foz to Radnevo | 1,670.12 mi (2,687.80 km) |
| Foz to Radomir | 1,518.21 mi (2,443.32 km) |
| Foz to Rakitovo | 1,583.84 mi (2,548.94 km) |
| Foz to Rakovski | 1,622.38 mi (2,610.97 km) |
| Foz to Razgrad | 1,679.50 mi (2,702.89 km) |
| Foz to Razlog | 1,554.93 mi (2,502.42 km) |
| Foz to Ruse | 1,647.95 mi (2,652.13 km) |
| Foz to Samokov | 1,551.64 mi (2,497.12 km) |
| Foz to Sandanski | 1,551.41 mi (2,496.76 km) |
| Foz to Sevlievo | 1,617.92 mi (2,603.80 km) |
| Foz to Shumen | 1,703.60 mi (2,741.67 km) |
| Foz to Silistra | 1,707.87 mi (2,748.55 km) |
| Foz to Sliven | 1,683.47 mi (2,709.29 km) |
