| Carbonia to Popovo | 962.07 mi (1,548.31 km) |
| Carbonia to Provadia | 1,019.38 mi (1,640.54 km) |
| Carbonia to Radnevo | 935.10 mi (1,504.89 km) |
| Carbonia to Radomir | 788.20 mi (1,268.48 km) |
| Carbonia to Rakitovo | 838.21 mi (1,348.97 km) |
| Carbonia to Rakovski | 886.01 mi (1,425.90 km) |
| Carbonia to Razgrad | 978.55 mi (1,574.83 km) |
| Carbonia to Razlog | 805.85 mi (1,296.89 km) |
| Carbonia to Ruse | 955.53 mi (1,537.78 km) |
| Carbonia to Samokov | 815.52 mi (1,312.46 km) |
| Carbonia to Sandanski | 793.46 mi (1,276.95 km) |
| Carbonia to Sevlievo | 902.32 mi (1,452.14 km) |
| Carbonia to Shumen | 995.76 mi (1,602.53 km) |
| Carbonia to Silistra | 1,023.45 mi (1,647.08 km) |
| Carbonia to Sliven | 959.01 mi (1,543.38 km) |
