| Westerstede to Oberkirch | 325.97 mi (524.60 km) |
| Westerstede to Obernburg am Main | 241.40 mi (388.50 km) |
| Westerstede to Obernkirchen | 84.50 mi (135.99 km) |
| Westerstede to Oberschleissheim | 380.41 mi (612.21 km) |
| Westerstede to Oberstdorf | 416.70 mi (670.62 km) |
| Westerstede to Obertraubling | 348.59 mi (561.01 km) |
| Westerstede to Obertshausen | 223.42 mi (359.56 km) |
| Westerstede to Oberursel | 212.39 mi (341.81 km) |
| Westerstede to Ochsenfurt | 265.37 mi (427.08 km) |
| Westerstede to Ochsenhausen | 368.61 mi (593.22 km) |
| Westerstede to Ochtrup | 78.30 mi (126.01 km) |
| Westerstede to Odenthal | 156.87 mi (252.45 km) |
| Westerstede to Oelde | 98.37 mi (158.32 km) |
| Westerstede to Oelsnitz | 266.84 mi (429.43 km) |
| Westerstede to Oer-Erkenschwick | 114.57 mi (184.39 km) |
