| Mason City to Deventer | 4,289.56 mi (6,903.38 km) |
| Mason City to Diemen | 4,245.32 mi (6,832.19 km) |
| Mason City to Doesburg | 4,298.34 mi (6,917.51 km) |
| Mason City to Doetinchem | 4,306.12 mi (6,930.03 km) |
| Mason City to Dokkum | 4,241.52 mi (6,826.07 km) |
| Mason City to Dongen | 4,271.79 mi (6,874.78 km) |
| Mason City to Doorn | 4,270.50 mi (6,872.70 km) |
| Mason City to Dordrecht | 4,256.41 mi (6,850.03 km) |
| Mason City to Drachten | 4,253.96 mi (6,846.08 km) |
| Mason City to Drimmelen | 4,265.12 mi (6,864.05 km) |
| Mason City to Dronten | 4,264.00 mi (6,862.25 km) |
| Mason City to Druten | 4,285.17 mi (6,896.31 km) |
| Mason City to Duiven | 4,297.55 mi (6,916.24 km) |
| Mason City to Echt | 4,326.53 mi (6,962.88 km) |
| Mason City to Edam | 4,241.00 mi (6,825.23 km) |
