| Niksic to Oerlinghausen | 795.00 mi (1,279.43 km) |
| Niksic to Oestrich-Winkel | 720.66 mi (1,159.79 km) |
| Niksic to Offenburg | 660.68 mi (1,063.26 km) |
| Niksic to Oftersheim | 672.93 mi (1,082.97 km) |
| Niksic to Ohrdruf | 677.63 mi (1,090.54 km) |
| Niksic to Ohringen | 633.68 mi (1,019.81 km) |
| Niksic to Olbernhau | 606.10 mi (975.42 km) |
| Niksic to Olching | 525.87 mi (846.31 km) |
| Niksic to Oldenburg | 869.58 mi (1,399.45 km) |
| Niksic to Oldenburg in Holstein | 876.14 mi (1,410.01 km) |
| Niksic to Olfen | 820.08 mi (1,319.80 km) |
| Niksic to Olpe | 772.62 mi (1,243.41 km) |
| Niksic to Olsberg | 768.82 mi (1,237.30 km) |
| Niksic to Oranienburg | 738.04 mi (1,187.75 km) |
| Niksic to Ortenberg | 702.41 mi (1,130.41 km) |
