| Calasparra to Popovo | 1,495.81 mi (2,407.27 km) |
| Calasparra to Provadia | 1,555.39 mi (2,503.15 km) |
| Calasparra to Radnevo | 1,476.96 mi (2,376.94 km) |
| Calasparra to Radomir | 1,326.00 mi (2,133.99 km) |
| Calasparra to Rakitovo | 1,381.49 mi (2,223.30 km) |
| Calasparra to Rakovski | 1,427.50 mi (2,297.34 km) |
| Calasparra to Razgrad | 1,510.92 mi (2,431.59 km) |
| Calasparra to Razlog | 1,349.55 mi (2,171.89 km) |
| Calasparra to Ruse | 1,484.62 mi (2,389.26 km) |
| Calasparra to Samokov | 1,355.73 mi (2,181.83 km) |
| Calasparra to Sandanski | 1,339.28 mi (2,155.37 km) |
| Calasparra to Sevlievo | 1,437.91 mi (2,314.09 km) |
| Calasparra to Shumen | 1,530.62 mi (2,463.30 km) |
| Calasparra to Silistra | 1,551.20 mi (2,496.42 km) |
| Calasparra to Sliven | 1,498.26 mi (2,411.21 km) |
