| Mason City to Coswig | 4,516.87 mi (7,269.21 km) |
| Mason City to Cottbus | 4,584.52 mi (7,378.08 km) |
| Mason City to Crailsheim | 4,556.33 mi (7,332.70 km) |
| Mason City to Cremlingen | 4,442.14 mi (7,148.94 km) |
| Mason City to Crimmitschau | 4,562.22 mi (7,342.19 km) |
| Mason City to Cuxhaven | 4,309.95 mi (6,936.19 km) |
| Mason City to Dachau | 4,642.73 mi (7,471.76 km) |
| Mason City to Dallgow-Doberitz | 4,508.50 mi (7,255.73 km) |
| Mason City to Damme | 4,348.45 mi (6,998.15 km) |
| Mason City to Darmstadt | 4,474.82 mi (7,201.53 km) |
| Mason City to Dassel | 4,428.78 mi (7,127.43 km) |
| Mason City to Datteln | 4,354.82 mi (7,008.40 km) |
| Mason City to Dautphe | 4,429.61 mi (7,128.77 km) |
| Mason City to Deggendorf | 4,670.50 mi (7,516.44 km) |
| Mason City to Delbruck | 4,392.17 mi (7,068.52 km) |
