| Nijkerk to Oerlinghausen | 136.35 mi (219.44 km) |
| Nijkerk to Oestrich-Winkel | 188.99 mi (304.14 km) |
| Nijkerk to Offenburg | 281.73 mi (453.40 km) |
| Nijkerk to Oftersheim | 239.67 mi (385.70 km) |
| Nijkerk to Ohrdruf | 245.56 mi (395.20 km) |
| Nijkerk to Ohringen | 273.41 mi (440.01 km) |
| Nijkerk to Olbernhau | 354.71 mi (570.85 km) |
| Nijkerk to Olching | 379.47 mi (610.69 km) |
| Nijkerk to Oldenburg | 130.51 mi (210.04 km) |
| Nijkerk to Oldenburg in Holstein | 264.82 mi (426.18 km) |
| Nijkerk to Olfen | 88.39 mi (142.25 km) |
| Nijkerk to Olpe | 131.24 mi (211.21 km) |
| Nijkerk to Olsberg | 141.98 mi (228.49 km) |
| Nijkerk to Oranienburg | 327.99 mi (527.85 km) |
| Nijkerk to Ortenberg | 201.57 mi (324.39 km) |
