| Biddeford to Wodzislaw Slaski | 3,979.24 mi (6,403.97 km) |
| Biddeford to Wolomin | 3,999.93 mi (6,437.26 km) |
| Biddeford to Wolow | 3,863.93 mi (6,218.40 km) |
| Biddeford to Wolsztyn | 3,819.09 mi (6,146.23 km) |
| Biddeford to Wroclaw | 3,886.99 mi (6,255.51 km) |
| Biddeford to Wronki | 3,810.04 mi (6,131.66 km) |
| Biddeford to Wrzesnia | 3,866.47 mi (6,222.47 km) |
| Biddeford to Wschowa | 3,836.97 mi (6,175.01 km) |
| Biddeford to Wysokie Mazowieckie | 4,024.79 mi (6,477.28 km) |
| Biddeford to Wyszkow | 3,998.78 mi (6,435.42 km) |
| Biddeford to Zabki | 3,997.12 mi (6,432.75 km) |
| Biddeford to Zabkowice Slaskie | 3,896.66 mi (6,271.07 km) |
| Biddeford to Zabrze | 3,981.04 mi (6,406.87 km) |
| Biddeford to Zagan | 3,805.26 mi (6,123.97 km) |
| Biddeford to Zakopane | 4,061.71 mi (6,536.69 km) |
