| Olean to Dillenburg | 3,932.92 mi (6,329.42 km) |
| Olean to Dillingen | 4,090.98 mi (6,583.80 km) |
| Olean to Dillingen | 3,916.63 mi (6,303.21 km) |
| Olean to Dingolfing | 4,168.43 mi (6,708.44 km) |
| Olean to Dinkelsbuhl | 4,067.73 mi (6,546.37 km) |
| Olean to Dinklage | 3,866.09 mi (6,221.87 km) |
| Olean to Dinslaken | 3,846.87 mi (6,190.94 km) |
| Olean to Dippoldiswalde | 4,132.30 mi (6,650.30 km) |
| Olean to Ditzingen | 4,026.66 mi (6,480.29 km) |
| Olean to Dobeln | 4,103.62 mi (6,604.14 km) |
| Olean to Doberlug-Kirchhain | 4,103.08 mi (6,603.26 km) |
| Olean to Donaueschingen | 4,033.79 mi (6,491.76 km) |
| Olean to Donauworth | 4,099.47 mi (6,597.46 km) |
| Olean to Donzdorf | 4,061.25 mi (6,535.95 km) |
| Olean to Dorfen | 4,167.90 mi (6,707.59 km) |
