| Rockford to Dillenburg | 4,322.82 mi (6,956.91 km) |
| Rockford to Dillingen | 4,489.00 mi (7,224.35 km) |
| Rockford to Dillingen | 4,319.35 mi (6,951.32 km) |
| Rockford to Dingolfing | 4,560.53 mi (7,339.46 km) |
| Rockford to Dinkelsbuhl | 4,463.02 mi (7,182.54 km) |
| Rockford to Dinklage | 4,243.29 mi (6,828.92 km) |
| Rockford to Dinslaken | 4,235.01 mi (6,815.59 km) |
| Rockford to Dippoldiswalde | 4,507.03 mi (7,253.37 km) |
| Rockford to Ditzingen | 4,426.76 mi (7,124.18 km) |
| Rockford to Dobeln | 4,478.41 mi (7,207.30 km) |
| Rockford to Doberlug-Kirchhain | 4,473.39 mi (7,199.22 km) |
| Rockford to Donaueschingen | 4,440.70 mi (7,146.62 km) |
| Rockford to Donauworth | 4,495.78 mi (7,235.26 km) |
| Rockford to Donzdorf | 4,460.27 mi (7,178.12 km) |
| Rockford to Dorfen | 4,563.19 mi (7,343.74 km) |
