| Rottweil to Oerlinghausen | 262.46 mi (422.40 km) |
| Rottweil to Oestrich-Winkel | 129.69 mi (208.71 km) |
| Rottweil to Offenburg | 37.88 mi (60.96 km) |
| Rottweil to Oftersheim | 83.10 mi (133.74 km) |
| Rottweil to Ohrdruf | 206.68 mi (332.63 km) |
| Rottweil to Ohringen | 81.71 mi (131.51 km) |
| Rottweil to Olbernhau | 273.03 mi (439.40 km) |
| Rottweil to Olching | 124.03 mi (199.60 km) |
| Rottweil to Oldenburg | 344.26 mi (554.04 km) |
| Rottweil to Oldenburg in Holstein | 434.73 mi (699.64 km) |
| Rottweil to Olfen | 251.31 mi (404.45 km) |
| Rottweil to Olpe | 199.98 mi (321.84 km) |
| Rottweil to Olsberg | 219.94 mi (353.96 km) |
| Rottweil to Oranienburg | 376.08 mi (605.25 km) |
| Rottweil to Ortenberg | 152.40 mi (245.26 km) |
