| Caltanissetta to Popovo | 756.30 mi (1,217.15 km) |
| Caltanissetta to Provadia | 805.22 mi (1,295.87 km) |
| Caltanissetta to Radnevo | 710.71 mi (1,143.78 km) |
| Caltanissetta to Radomir | 585.43 mi (942.16 km) |
| Caltanissetta to Rakitovo | 615.71 mi (990.90 km) |
| Caltanissetta to Rakovski | 665.57 mi (1,071.13 km) |
| Caltanissetta to Razgrad | 774.82 mi (1,246.96 km) |
| Caltanissetta to Razlog | 584.42 mi (940.54 km) |
| Caltanissetta to Ruse | 760.32 mi (1,223.62 km) |
| Caltanissetta to Samokov | 603.76 mi (971.66 km) |
| Caltanissetta to Sandanski | 565.93 mi (910.77 km) |
| Caltanissetta to Sevlievo | 696.08 mi (1,120.23 km) |
| Caltanissetta to Shumen | 785.47 mi (1,264.10 km) |
| Caltanissetta to Silistra | 826.74 mi (1,330.50 km) |
| Caltanissetta to Sliven | 740.21 mi (1,191.26 km) |
