| Nigran to Oberkirch | 928.72 mi (1,494.63 km) |
| Nigran to Obernburg am Main | 1,008.60 mi (1,623.19 km) |
| Nigran to Obernkirchen | 1,088.94 mi (1,752.49 km) |
| Nigran to Oberschleissheim | 1,073.77 mi (1,728.07 km) |
| Nigran to Oberstdorf | 1,001.10 mi (1,611.11 km) |
| Nigran to Obertraubling | 1,114.00 mi (1,792.81 km) |
| Nigran to Obertshausen | 1,003.03 mi (1,614.23 km) |
| Nigran to Oberursel | 997.15 mi (1,604.76 km) |
| Nigran to Ochsenfurt | 1,041.09 mi (1,675.48 km) |
| Nigran to Ochsenhausen | 998.74 mi (1,607.32 km) |
| Nigran to Ochtrup | 1,019.53 mi (1,640.77 km) |
| Nigran to Odenthal | 970.61 mi (1,562.05 km) |
| Nigran to Oelde | 1,038.15 mi (1,670.74 km) |
| Nigran to Oelsnitz | 1,147.41 mi (1,846.57 km) |
| Nigran to Oer-Erkenschwick | 998.89 mi (1,607.57 km) |
