| Boo to Zottegem | 813.58 mi (1,309.32 km) |
| Boo to Zulte | 820.94 mi (1,321.18 km) |
| Boo to Zwevegem | 829.95 mi (1,335.67 km) |
| Boo to Zwijndrecht | 780.22 mi (1,255.64 km) |
| Boo to Asenovgrad | 1,228.49 mi (1,977.06 km) |
| Boo to Aytos | 1,210.38 mi (1,947.92 km) |
| Boo to Balchik | 1,175.21 mi (1,891.32 km) |
| Boo to Bankya | 1,166.80 mi (1,877.78 km) |
| Boo to Bansko | 1,228.39 mi (1,976.90 km) |
| Boo to Berkovitsa | 1,130.25 mi (1,818.96 km) |
| Boo to Blagoevgrad | 1,213.51 mi (1,952.95 km) |
| Boo to Botevgrad | 1,158.03 mi (1,863.66 km) |
| Boo to Burgas | 1,226.49 mi (1,973.84 km) |
| Boo to Byala Slatina | 1,121.21 mi (1,804.42 km) |
| Boo to Chirpan | 1,220.78 mi (1,964.65 km) |
