| Nideggen to Oestrich-Winkel | 82.52 mi (132.81 km) |
| Nideggen to Offenburg | 167.41 mi (269.42 km) |
| Nideggen to Oftersheim | 130.89 mi (210.64 km) |
| Nideggen to Ohrdruf | 185.90 mi (299.18 km) |
| Nideggen to Ohringen | 169.47 mi (272.74 km) |
| Nideggen to Olbernhau | 299.78 mi (482.45 km) |
| Nideggen to Olching | 277.34 mi (446.34 km) |
| Nideggen to Oldenburg | 184.24 mi (296.51 km) |
| Nideggen to Oldenburg in Holstein | 309.91 mi (498.74 km) |
| Nideggen to Olfen | 80.33 mi (129.27 km) |
| Nideggen to Olpe | 62.81 mi (101.09 km) |
| Nideggen to Olsberg | 97.83 mi (157.44 km) |
| Nideggen to Oranienburg | 321.83 mi (517.94 km) |
| Nideggen to Ortenberg | 115.44 mi (185.78 km) |
| Nideggen to Oschatz | 290.89 mi (468.14 km) |
