| San Bonifacio to Popovo | 750.63 mi (1,208.02 km) |
| San Bonifacio to Provadia | 811.82 mi (1,306.49 km) |
| San Bonifacio to Radnevo | 759.50 mi (1,222.30 km) |
| San Bonifacio to Radomir | 611.94 mi (984.81 km) |
| San Bonifacio to Rakitovo | 680.73 mi (1,095.53 km) |
| San Bonifacio to Rakovski | 713.86 mi (1,148.84 km) |
| San Bonifacio to Razgrad | 760.94 mi (1,224.61 km) |
| San Bonifacio to Razlog | 655.01 mi (1,054.14 km) |
| San Bonifacio to Ruse | 728.72 mi (1,172.76 km) |
| San Bonifacio to Samokov | 646.10 mi (1,039.79 km) |
| San Bonifacio to Sandanski | 656.36 mi (1,056.31 km) |
| San Bonifacio to Sevlievo | 703.31 mi (1,131.86 km) |
| San Bonifacio to Shumen | 785.72 mi (1,264.49 km) |
| San Bonifacio to Silistra | 787.55 mi (1,267.44 km) |
| San Bonifacio to Sliven | 769.42 mi (1,238.26 km) |
