| Nittedal to Oberkirch | 805.03 mi (1,295.57 km) |
| Nittedal to Obernburg am Main | 710.30 mi (1,143.12 km) |
| Nittedal to Obernkirchen | 543.55 mi (874.75 km) |
| Nittedal to Oberschleissheim | 817.37 mi (1,315.43 km) |
| Nittedal to Oberstdorf | 875.28 mi (1,408.63 km) |
| Nittedal to Obertraubling | 769.16 mi (1,237.84 km) |
| Nittedal to Obertshausen | 695.98 mi (1,120.07 km) |
| Nittedal to Oberursel | 687.83 mi (1,106.95 km) |
| Nittedal to Ochsenfurt | 720.86 mi (1,160.12 km) |
| Nittedal to Ochsenhausen | 830.01 mi (1,335.77 km) |
| Nittedal to Ochtrup | 561.55 mi (903.72 km) |
| Nittedal to Odenthal | 641.34 mi (1,032.14 km) |
| Nittedal to Oelde | 578.85 mi (931.56 km) |
| Nittedal to Oelsnitz | 669.10 mi (1,076.82 km) |
| Nittedal to Oer-Erkenschwick | 598.98 mi (963.96 km) |
