| Mason City to Chaudfontaine | 4,338.57 mi (6,982.26 km) |
| Mason City to Chaumont-Gistoux | 4,301.07 mi (6,921.90 km) |
| Mason City to Chimay | 4,312.77 mi (6,940.73 km) |
| Mason City to Ciney | 4,330.97 mi (6,970.01 km) |
| Mason City to Colfontaine | 4,281.81 mi (6,890.90 km) |
| Mason City to Courcelles | 4,298.63 mi (6,917.98 km) |
| Mason City to Court-Saint-Etienne | 4,298.50 mi (6,917.77 km) |
| Mason City to Couvin | 4,318.79 mi (6,950.43 km) |
| Mason City to Damme | 4,228.31 mi (6,804.81 km) |
| Mason City to De Haan | 4,218.48 mi (6,788.98 km) |
| Mason City to De Panne | 4,209.20 mi (6,774.06 km) |
| Mason City to De Pinte | 4,251.19 mi (6,841.62 km) |
| Mason City to Deerlijk | 4,246.27 mi (6,833.71 km) |
| Mason City to Deinze | 4,247.66 mi (6,835.94 km) |
| Mason City to Denderleeuw | 4,271.29 mi (6,873.98 km) |
