| Castagneto Carducci to Popovo | 785.60 mi (1,264.30 km) |
| Castagneto Carducci to Provadia | 846.75 mi (1,362.72 km) |
| Castagneto Carducci to Radnevo | 779.38 mi (1,254.28 km) |
| Castagneto Carducci to Radomir | 626.38 mi (1,008.06 km) |
| Castagneto Carducci to Rakitovo | 690.12 mi (1,110.64 km) |
| Castagneto Carducci to Rakovski | 730.74 mi (1,176.01 km) |
| Castagneto Carducci to Razgrad | 798.88 mi (1,285.67 km) |
| Castagneto Carducci to Razlog | 660.48 mi (1,062.94 km) |
| Castagneto Carducci to Ruse | 769.81 mi (1,238.88 km) |
| Castagneto Carducci to Samokov | 659.12 mi (1,060.76 km) |
| Castagneto Carducci to Sandanski | 656.11 mi (1,055.90 km) |
| Castagneto Carducci to Sevlievo | 731.38 mi (1,177.04 km) |
| Castagneto Carducci to Shumen | 821.05 mi (1,321.35 km) |
| Castagneto Carducci to Silistra | 834.19 mi (1,342.50 km) |
| Castagneto Carducci to Sliven | 795.53 mi (1,280.28 km) |
