| Bolu to Zottegem | 1,498.83 mi (2,412.13 km) |
| Bolu to Zulte | 1,515.12 mi (2,438.36 km) |
| Bolu to Zwevegem | 1,517.02 mi (2,441.41 km) |
| Bolu to Zwijndrecht | 1,484.13 mi (2,388.48 km) |
| Bolu to Asenovgrad | 360.43 mi (580.06 km) |
| Bolu to Aytos | 262.52 mi (422.48 km) |
| Bolu to Balchik | 256.52 mi (412.83 km) |
| Bolu to Bankya | 457.42 mi (736.14 km) |
| Bolu to Bansko | 428.18 mi (689.09 km) |
| Bolu to Berkovitsa | 468.73 mi (754.35 km) |
| Bolu to Blagoevgrad | 450.16 mi (724.47 km) |
| Bolu to Botevgrad | 429.22 mi (690.76 km) |
| Bolu to Burgas | 246.12 mi (396.09 km) |
| Bolu to Byala Slatina | 436.12 mi (701.87 km) |
| Bolu to Chirpan | 340.59 mi (548.13 km) |
