| Mason City to Winsum | 4,258.84 mi (6,853.94 km) |
| Mason City to Winterswijk | 4,320.51 mi (6,953.19 km) |
| Mason City to Woensdrecht | 4,259.17 mi (6,854.48 km) |
| Mason City to Woerden | 4,252.26 mi (6,843.35 km) |
| Mason City to Wolvega | 4,259.49 mi (6,854.98 km) |
| Mason City to Woudenberg | 4,270.83 mi (6,873.24 km) |
| Mason City to Woudrichem | 4,266.86 mi (6,866.85 km) |
| Mason City to Zaandam | 4,236.77 mi (6,818.42 km) |
| Mason City to Zaandijk | 4,234.30 mi (6,814.45 km) |
| Mason City to Zaanstad | 4,233.38 mi (6,812.96 km) |
| Mason City to Zaltbommel | 4,276.27 mi (6,882.00 km) |
| Mason City to Zandvoort | 4,228.95 mi (6,805.84 km) |
| Mason City to Zeewolde | 4,265.53 mi (6,864.71 km) |
| Mason City to Zeist | 4,264.16 mi (6,862.50 km) |
| Mason City to Zevenaar | 4,300.05 mi (6,920.26 km) |
