| Colonia to Popovo | 4,821.54 mi (7,759.52 km) |
| Colonia to Provadia | 4,876.39 mi (7,847.79 km) |
| Colonia to Radnevo | 4,853.49 mi (7,810.94 km) |
| Colonia to Radomir | 4,721.11 mi (7,597.89 km) |
| Colonia to Rakitovo | 4,790.99 mi (7,710.36 km) |
| Colonia to Rakovski | 4,814.58 mi (7,748.31 km) |
| Colonia to Razgrad | 4,825.16 mi (7,765.35 km) |
| Colonia to Razlog | 4,769.61 mi (7,675.94 km) |
| Colonia to Ruse | 4,790.66 mi (7,709.82 km) |
| Colonia to Samokov | 4,754.72 mi (7,651.99 km) |
| Colonia to Sandanski | 4,774.85 mi (7,684.37 km) |
| Colonia to Sevlievo | 4,790.02 mi (7,708.79 km) |
| Colonia to Shumen | 4,852.27 mi (7,808.97 km) |
| Colonia to Silistra | 4,830.02 mi (7,773.17 km) |
| Colonia to Sliven | 4,853.54 mi (7,811.02 km) |
