| Civita Castellana to Popovo | 703.48 mi (1,132.14 km) |
| Civita Castellana to Provadia | 763.79 mi (1,229.20 km) |
| Civita Castellana to Radnevo | 690.38 mi (1,111.06 km) |
| Civita Castellana to Radomir | 537.52 mi (865.05 km) |
| Civita Castellana to Rakitovo | 597.98 mi (962.36 km) |
| Civita Castellana to Rakovski | 641.13 mi (1,031.79 km) |
| Civita Castellana to Razgrad | 718.04 mi (1,155.58 km) |
| Civita Castellana to Razlog | 567.24 mi (912.88 km) |
| Civita Castellana to Ruse | 691.02 mi (1,112.08 km) |
| Civita Castellana to Samokov | 569.02 mi (915.75 km) |
| Civita Castellana to Sandanski | 560.72 mi (902.39 km) |
| Civita Castellana to Sevlievo | 646.79 mi (1,040.91 km) |
| Civita Castellana to Shumen | 738.60 mi (1,188.67 km) |
| Civita Castellana to Silistra | 757.32 mi (1,218.79 km) |
| Civita Castellana to Sliven | 709.08 mi (1,141.16 km) |
