| South Portland to Winsum | 3,406.17 mi (5,481.70 km) |
| South Portland to Winterswijk | 3,449.65 mi (5,551.67 km) |
| South Portland to Woensdrecht | 3,369.69 mi (5,422.99 km) |
| South Portland to Woerden | 3,374.45 mi (5,430.66 km) |
| South Portland to Wolvega | 3,397.95 mi (5,468.47 km) |
| South Portland to Woudenberg | 3,395.48 mi (5,464.50 km) |
| South Portland to Woudrichem | 3,385.91 mi (5,449.10 km) |
| South Portland to Zaandam | 3,363.62 mi (5,413.23 km) |
| South Portland to Zaandijk | 3,361.48 mi (5,409.77 km) |
| South Portland to Zaanstad | 3,360.49 mi (5,408.18 km) |
| South Portland to Zaltbommel | 3,396.24 mi (5,465.73 km) |
| South Portland to Zandvoort | 3,353.51 mi (5,396.95 km) |
| South Portland to Zeewolde | 3,394.27 mi (5,462.55 km) |
| South Portland to Zeist | 3,388.06 mi (5,452.56 km) |
| South Portland to Zevenaar | 3,425.43 mi (5,512.69 km) |
