| Busto Arsizio to Popovo | 869.18 mi (1,398.82 km) |
| Busto Arsizio to Provadia | 930.33 mi (1,497.23 km) |
| Busto Arsizio to Radnevo | 877.98 mi (1,412.98 km) |
| Busto Arsizio to Radomir | 729.90 mi (1,174.67 km) |
| Busto Arsizio to Rakitovo | 798.44 mi (1,284.96 km) |
| Busto Arsizio to Rakovski | 832.16 mi (1,339.23 km) |
| Busto Arsizio to Razgrad | 879.37 mi (1,415.21 km) |
| Busto Arsizio to Razlog | 772.27 mi (1,242.85 km) |
| Busto Arsizio to Ruse | 847.04 mi (1,363.18 km) |
| Busto Arsizio to Samokov | 764.03 mi (1,229.59 km) |
| Busto Arsizio to Sandanski | 772.95 mi (1,243.95 km) |
| Busto Arsizio to Sevlievo | 821.94 mi (1,322.79 km) |
| Busto Arsizio to Shumen | 904.24 mi (1,455.23 km) |
| Busto Arsizio to Silistra | 905.38 mi (1,457.07 km) |
| Busto Arsizio to Sliven | 888.05 mi (1,429.19 km) |
