| Bolton to Zottegem | 323.24 mi (520.21 km) |
| Bolton to Zulte | 308.56 mi (496.58 km) |
| Bolton to Zwevegem | 310.35 mi (499.46 km) |
| Bolton to Zwijndrecht | 328.28 mi (528.32 km) |
| Bolton to Asenovgrad | 1,483.60 mi (2,387.62 km) |
| Bolton to Aytos | 1,545.16 mi (2,486.70 km) |
| Bolton to Balchik | 1,549.89 mi (2,494.30 km) |
| Bolton to Bankya | 1,386.16 mi (2,230.81 km) |
| Bolton to Bansko | 1,439.74 mi (2,317.03 km) |
| Bolton to Berkovitsa | 1,361.29 mi (2,190.78 km) |
| Bolton to Blagoevgrad | 1,416.57 mi (2,279.75 km) |
| Bolton to Botevgrad | 1,401.88 mi (2,256.11 km) |
| Bolton to Burgas | 1,562.46 mi (2,514.54 km) |
| Bolton to Byala Slatina | 1,382.30 mi (2,224.59 km) |
| Bolton to Chirpan | 1,492.73 mi (2,402.31 km) |
