| Titisee-Neustadt to Oberkirch | 43.34 mi (69.75 km) |
| Titisee-Neustadt to Obernburg am Main | 139.69 mi (224.81 km) |
| Titisee-Neustadt to Obernkirchen | 303.49 mi (488.42 km) |
| Titisee-Neustadt to Oberschleissheim | 156.46 mi (251.81 km) |
| Titisee-Neustadt to Oberstdorf | 102.15 mi (164.39 km) |
| Titisee-Neustadt to Obertraubling | 195.21 mi (314.16 km) |
| Titisee-Neustadt to Obertshausen | 151.48 mi (243.78 km) |
| Titisee-Neustadt to Oberursel | 159.15 mi (256.12 km) |
| Titisee-Neustadt to Ochsenfurt | 146.71 mi (236.10 km) |
| Titisee-Neustadt to Ochsenhausen | 80.91 mi (130.21 km) |
| Titisee-Neustadt to Ochtrup | 300.10 mi (482.96 km) |
| Titisee-Neustadt to Odenthal | 221.20 mi (355.99 km) |
| Titisee-Neustadt to Oelde | 270.94 mi (436.03 km) |
| Titisee-Neustadt to Oelsnitz | 248.58 mi (400.05 km) |
| Titisee-Neustadt to Oer-Erkenschwick | 261.28 mi (420.48 km) |
