| Biddeford to Zottegem | 3,375.66 mi (5,432.60 km) |
| Biddeford to Zulte | 3,359.54 mi (5,406.66 km) |
| Biddeford to Zwevegem | 3,358.47 mi (5,404.93 km) |
| Biddeford to Zwijndrecht | 3,388.11 mi (5,452.63 km) |
| Biddeford to Asenovgrad | 4,543.85 mi (7,312.62 km) |
| Biddeford to Aytos | 4,610.62 mi (7,420.08 km) |
| Biddeford to Balchik | 4,615.29 mi (7,427.59 km) |
| Biddeford to Bankya | 4,444.77 mi (7,153.17 km) |
| Biddeford to Bansko | 4,494.96 mi (7,233.94 km) |
| Biddeford to Berkovitsa | 4,422.22 mi (7,116.88 km) |
| Biddeford to Blagoevgrad | 4,471.36 mi (7,195.96 km) |
| Biddeford to Botevgrad | 4,463.09 mi (7,182.65 km) |
| Biddeford to Burgas | 4,627.86 mi (7,447.83 km) |
| Biddeford to Byala Slatina | 4,445.64 mi (7,154.57 km) |
| Biddeford to Chirpan | 4,554.69 mi (7,330.07 km) |
