| South Portland to Waregem | 3,345.91 mi (5,384.71 km) |
| South Portland to Waremme | 3,425.67 mi (5,513.09 km) |
| South Portland to Waterloo | 3,389.96 mi (5,455.61 km) |
| South Portland to Wavre | 3,398.71 mi (5,469.70 km) |
| South Portland to Welkenraedt | 3,455.48 mi (5,561.06 km) |
| South Portland to Wemmel | 3,381.33 mi (5,441.73 km) |
| South Portland to Wervik | 3,333.90 mi (5,365.39 km) |
| South Portland to Westerlo | 3,401.75 mi (5,474.59 km) |
| South Portland to Wetteren | 3,362.37 mi (5,411.21 km) |
| South Portland to Wevelgem | 3,339.01 mi (5,373.62 km) |
| South Portland to Wezembeek-Oppem | 3,391.59 mi (5,458.24 km) |
| South Portland to Wichelen | 3,365.73 mi (5,416.62 km) |
| South Portland to Wielsbeke | 3,343.96 mi (5,381.59 km) |
| South Portland to Wijnegem | 3,382.44 mi (5,443.52 km) |
| South Portland to Willebroek | 3,380.10 mi (5,439.75 km) |
