| Willoughby to Dormagen | 3,999.11 mi (6,435.95 km) |
| Willoughby to Dornstadt | 4,210.26 mi (6,775.75 km) |
| Willoughby to Dorsten | 3,986.55 mi (6,415.73 km) |
| Willoughby to Dortmund | 4,010.24 mi (6,453.86 km) |
| Willoughby to Dorverden | 4,032.15 mi (6,489.11 km) |
| Willoughby to Dossenheim | 4,126.18 mi (6,640.44 km) |
| Willoughby to Dreieich | 4,108.25 mi (6,611.60 km) |
| Willoughby to Drensteinfurt | 4,011.44 mi (6,455.78 km) |
| Willoughby to Dresden | 4,260.56 mi (6,856.71 km) |
| Willoughby to Drochtersen | 4,009.62 mi (6,452.85 km) |
| Willoughby to Drolshagen | 4,037.58 mi (6,497.86 km) |
| Willoughby to Duderstadt | 4,115.29 mi (6,622.92 km) |
| Willoughby to Duisburg | 3,986.18 mi (6,415.13 km) |
| Willoughby to Dulmen | 3,992.89 mi (6,425.93 km) |
| Willoughby to Duren | 3,996.08 mi (6,431.07 km) |
