| Ouistreham to Obernburg am Main | 422.77 mi (680.38 km) |
| Ouistreham to Obernkirchen | 458.26 mi (737.50 km) |
| Ouistreham to Oberschleissheim | 542.65 mi (873.31 km) |
| Ouistreham to Oberstdorf | 500.39 mi (805.30 km) |
| Ouistreham to Obertraubling | 561.62 mi (903.84 km) |
| Ouistreham to Obertshausen | 409.88 mi (659.64 km) |
| Ouistreham to Oberursel | 399.39 mi (642.75 km) |
| Ouistreham to Ochsenfurt | 463.98 mi (746.71 km) |
| Ouistreham to Ochsenhausen | 472.68 mi (760.70 km) |
| Ouistreham to Ochtrup | 383.05 mi (616.46 km) |
| Ouistreham to Odenthal | 348.06 mi (560.14 km) |
| Ouistreham to Oelde | 408.78 mi (657.87 km) |
| Ouistreham to Oelsnitz | 558.44 mi (898.73 km) |
| Ouistreham to Oer-Erkenschwick | 368.20 mi (592.56 km) |
| Ouistreham to Oerlinghausen | 432.66 mi (696.30 km) |
