| Casorate Primo to Popovo | 859.94 mi (1,383.94 km) |
| Casorate Primo to Provadia | 921.22 mi (1,482.55 km) |
| Casorate Primo to Radnevo | 867.08 mi (1,395.43 km) |
| Casorate Primo to Radomir | 718.12 mi (1,155.69 km) |
| Casorate Primo to Rakitovo | 786.29 mi (1,265.41 km) |
| Casorate Primo to Rakovski | 820.85 mi (1,321.02 km) |
| Casorate Primo to Razgrad | 870.50 mi (1,400.94 km) |
| Casorate Primo to Razlog | 759.68 mi (1,222.59 km) |
| Casorate Primo to Ruse | 838.46 mi (1,349.37 km) |
| Casorate Primo to Samokov | 752.18 mi (1,210.52 km) |
| Casorate Primo to Sandanski | 759.81 mi (1,222.80 km) |
| Casorate Primo to Sevlievo | 811.82 mi (1,306.49 km) |
| Casorate Primo to Shumen | 895.11 mi (1,440.55 km) |
| Casorate Primo to Silistra | 897.61 mi (1,444.56 km) |
| Casorate Primo to Sliven | 877.85 mi (1,412.76 km) |
