| Ionia to Winsum | 3,985.11 mi (6,413.42 km) |
| Ionia to Winterswijk | 4,040.21 mi (6,502.10 km) |
| Ionia to Woensdrecht | 3,971.34 mi (6,391.26 km) |
| Ionia to Woerden | 3,968.88 mi (6,387.29 km) |
| Ionia to Wolvega | 3,982.38 mi (6,409.02 km) |
| Ionia to Woudenberg | 3,988.51 mi (6,418.88 km) |
| Ionia to Woudrichem | 3,982.36 mi (6,409.00 km) |
| Ionia to Zaandam | 3,955.08 mi (6,365.08 km) |
| Ionia to Zaandijk | 3,952.72 mi (6,361.29 km) |
| Ionia to Zaanstad | 3,951.76 mi (6,359.75 km) |
| Ionia to Zaltbommel | 3,992.19 mi (6,424.80 km) |
| Ionia to Zandvoort | 3,946.33 mi (6,351.00 km) |
| Ionia to Zeewolde | 3,984.74 mi (6,412.82 km) |
| Ionia to Zeist | 3,981.51 mi (6,407.61 km) |
| Ionia to Zevenaar | 4,018.18 mi (6,466.64 km) |
