| Nardo to Oerlinghausen | 928.21 mi (1,493.81 km) |
| Nardo to Oestrich-Winkel | 835.02 mi (1,343.83 km) |
| Nardo to Offenburg | 758.35 mi (1,220.44 km) |
| Nardo to Oftersheim | 784.84 mi (1,263.07 km) |
| Nardo to Ohrdruf | 815.30 mi (1,312.10 km) |
| Nardo to Ohringen | 750.02 mi (1,207.04 km) |
| Nardo to Olbernhau | 759.18 mi (1,221.79 km) |
| Nardo to Olching | 645.80 mi (1,039.31 km) |
| Nardo to Oldenburg | 1,007.38 mi (1,621.23 km) |
| Nardo to Oldenburg in Holstein | 1,030.37 mi (1,658.23 km) |
| Nardo to Olfen | 945.02 mi (1,520.87 km) |
| Nardo to Olpe | 894.69 mi (1,439.87 km) |
| Nardo to Olsberg | 896.94 mi (1,443.48 km) |
| Nardo to Oranienburg | 897.80 mi (1,444.87 km) |
| Nardo to Ortenberg | 826.27 mi (1,329.75 km) |
