| Ionia to Dillenburg | 4,142.51 mi (6,666.72 km) |
| Ionia to Dillingen | 4,306.67 mi (6,930.91 km) |
| Ionia to Dillingen | 4,135.56 mi (6,655.54 km) |
| Ionia to Dingolfing | 4,379.89 mi (7,048.76 km) |
| Ionia to Dinkelsbuhl | 4,281.40 mi (6,890.25 km) |
| Ionia to Dinklage | 4,066.39 mi (6,544.22 km) |
| Ionia to Dinslaken | 4,055.07 mi (6,526.00 km) |
| Ionia to Dippoldiswalde | 4,331.17 mi (6,970.35 km) |
| Ionia to Ditzingen | 4,243.79 mi (6,829.73 km) |
| Ionia to Dobeln | 4,302.49 mi (6,924.19 km) |
| Ionia to Doberlug-Kirchhain | 4,298.73 mi (6,918.14 km) |
| Ionia to Donaueschingen | 4,255.93 mi (6,849.26 km) |
| Ionia to Donauworth | 4,313.92 mi (6,942.59 km) |
| Ionia to Donzdorf | 4,277.64 mi (6,884.19 km) |
| Ionia to Dorfen | 4,381.68 mi (7,051.64 km) |
