| Olean to Coswig | 4,051.89 mi (6,520.89 km) |
| Olean to Cottbus | 4,126.28 mi (6,640.61 km) |
| Olean to Crailsheim | 4,055.77 mi (6,527.12 km) |
| Olean to Cremlingen | 3,973.56 mi (6,394.82 km) |
| Olean to Crimmitschau | 4,086.89 mi (6,577.21 km) |
| Olean to Cuxhaven | 3,850.14 mi (6,196.20 km) |
| Olean to Dachau | 4,139.95 mi (6,662.61 km) |
| Olean to Dallgow-Doberitz | 4,052.35 mi (6,521.63 km) |
| Olean to Damme | 3,873.06 mi (6,233.09 km) |
| Olean to Darmstadt | 3,975.39 mi (6,397.77 km) |
| Olean to Dassel | 3,952.01 mi (6,360.14 km) |
| Olean to Datteln | 3,867.52 mi (6,224.17 km) |
| Olean to Dautphe | 3,939.17 mi (6,339.49 km) |
| Olean to Deggendorf | 4,179.37 mi (6,726.05 km) |
| Olean to Delbruck | 3,910.67 mi (6,293.62 km) |
