| Colne to Popovo | 1,472.83 mi (2,370.29 km) |
| Colne to Provadia | 1,526.82 mi (2,457.18 km) |
| Colne to Radnevo | 1,508.46 mi (2,427.63 km) |
| Colne to Radomir | 1,384.30 mi (2,227.82 km) |
| Colne to Rakitovo | 1,453.35 mi (2,338.94 km) |
| Colne to Rakovski | 1,472.20 mi (2,369.27 km) |
| Colne to Razgrad | 1,475.83 mi (2,375.12 km) |
| Colne to Razlog | 1,435.19 mi (2,309.72 km) |
| Colne to Ruse | 1,441.37 mi (2,319.66 km) |
| Colne to Samokov | 1,416.91 mi (2,280.29 km) |
| Colne to Sandanski | 1,443.61 mi (2,323.26 km) |
| Colne to Sevlievo | 1,444.09 mi (2,324.04 km) |
| Colne to Shumen | 1,502.95 mi (2,418.77 km) |
| Colne to Silistra | 1,480.01 mi (2,381.84 km) |
| Colne to Sliven | 1,506.36 mi (2,424.25 km) |
