| Olean to Dormagen | 3,864.53 mi (6,219.36 km) |
| Olean to Dornstadt | 4,073.58 mi (6,555.80 km) |
| Olean to Dorsten | 3,852.87 mi (6,200.59 km) |
| Olean to Dortmund | 3,876.59 mi (6,238.76 km) |
| Olean to Dorverden | 3,901.39 mi (6,278.67 km) |
| Olean to Dossenheim | 3,990.17 mi (6,421.56 km) |
| Olean to Dreieich | 3,973.02 mi (6,393.96 km) |
| Olean to Drensteinfurt | 3,878.32 mi (6,241.56 km) |
| Olean to Dresden | 4,129.48 mi (6,645.76 km) |
| Olean to Drochtersen | 3,880.28 mi (6,244.71 km) |
| Olean to Drolshagen | 3,903.36 mi (6,281.84 km) |
| Olean to Duderstadt | 3,983.02 mi (6,410.05 km) |
| Olean to Duisburg | 3,852.06 mi (6,199.29 km) |
| Olean to Dulmen | 3,859.61 mi (6,211.44 km) |
| Olean to Duren | 3,860.90 mi (6,213.52 km) |
