| Red Bank to Popovo | 4,822.57 mi (7,761.17 km) |
| Red Bank to Provadia | 4,877.57 mi (7,849.69 km) |
| Red Bank to Radnevo | 4,854.13 mi (7,811.97 km) |
| Red Bank to Radomir | 4,721.31 mi (7,598.21 km) |
| Red Bank to Rakitovo | 4,791.21 mi (7,710.70 km) |
| Red Bank to Rakovski | 4,815.04 mi (7,749.06 km) |
| Red Bank to Razgrad | 4,826.30 mi (7,767.17 km) |
| Red Bank to Razlog | 4,769.68 mi (7,676.06 km) |
| Red Bank to Ruse | 4,791.78 mi (7,711.63 km) |
| Red Bank to Samokov | 4,754.96 mi (7,652.37 km) |
| Red Bank to Sandanski | 4,774.79 mi (7,684.28 km) |
| Red Bank to Sevlievo | 4,790.74 mi (7,709.96 km) |
| Red Bank to Shumen | 4,853.40 mi (7,810.78 km) |
| Red Bank to Silistra | 4,831.47 mi (7,775.49 km) |
| Red Bank to Sliven | 4,854.38 mi (7,812.36 km) |
