| Detmold to Oestrich-Winkel | 139.29 mi (224.17 km) |
| Detmold to Offenburg | 243.48 mi (391.84 km) |
| Detmold to Oftersheim | 177.86 mi (286.23 km) |
| Detmold to Ohrdruf | 110.63 mi (178.03 km) |
| Detmold to Ohringen | 191.09 mi (307.53 km) |
| Detmold to Olbernhau | 211.30 mi (340.05 km) |
| Detmold to Olching | 279.86 mi (450.39 km) |
| Detmold to Oldenburg | 87.95 mi (141.55 km) |
| Detmold to Oldenburg in Holstein | 183.06 mi (294.60 km) |
| Detmold to Olfen | 65.85 mi (105.97 km) |
| Detmold to Olpe | 78.05 mi (125.61 km) |
| Detmold to Olsberg | 44.09 mi (70.95 km) |
| Detmold to Oranienburg | 192.19 mi (309.30 km) |
| Detmold to Ortenberg | 109.56 mi (176.32 km) |
| Detmold to Oschatz | 186.45 mi (300.06 km) |
