| South Portland to Wilrijk | 3,378.16 mi (5,436.63 km) |
| South Portland to Wingene | 3,336.20 mi (5,369.10 km) |
| South Portland to Wommelgem | 3,382.65 mi (5,443.84 km) |
| South Portland to Wondelgem | 3,353.22 mi (5,396.48 km) |
| South Portland to Wuustwezel | 3,381.21 mi (5,441.54 km) |
| South Portland to Yvoir | 3,420.46 mi (5,504.70 km) |
| South Portland to Zandhoven | 3,387.55 mi (5,451.74 km) |
| South Portland to Zaventem | 3,388.93 mi (5,453.96 km) |
| South Portland to Zedelgem | 3,328.57 mi (5,356.82 km) |
| South Portland to Zele | 3,366.69 mi (5,418.16 km) |
| South Portland to Zelzate | 3,354.54 mi (5,398.61 km) |
| South Portland to Zemst | 3,384.80 mi (5,447.32 km) |
| South Portland to Zoersel | 3,388.25 mi (5,452.86 km) |
| South Portland to Zonhoven | 3,422.32 mi (5,507.69 km) |
| South Portland to Zonnebeke | 3,329.39 mi (5,358.13 km) |
