| Cartagena to Popovo | 1,477.16 mi (2,377.27 km) |
| Cartagena to Provadia | 1,536.13 mi (2,472.17 km) |
| Cartagena to Radnevo | 1,455.59 mi (2,342.55 km) |
| Cartagena to Radomir | 1,305.79 mi (2,101.47 km) |
| Cartagena to Rakitovo | 1,359.47 mi (2,187.86 km) |
| Cartagena to Rakovski | 1,406.21 mi (2,263.07 km) |
| Cartagena to Razgrad | 1,492.70 mi (2,402.28 km) |
| Cartagena to Razlog | 1,327.32 mi (2,136.12 km) |
| Cartagena to Ruse | 1,467.28 mi (2,361.36 km) |
| Cartagena to Samokov | 1,334.78 mi (2,148.12 km) |
| Cartagena to Sandanski | 1,316.18 mi (2,118.19 km) |
| Cartagena to Sevlievo | 1,418.60 mi (2,283.02 km) |
| Cartagena to Shumen | 1,511.69 mi (2,432.83 km) |
| Cartagena to Silistra | 1,534.36 mi (2,469.31 km) |
| Cartagena to Sliven | 1,477.85 mi (2,378.38 km) |
