| Nelas to Oerlinghausen | 1,112.51 mi (1,790.42 km) |
| Nelas to Oestrich-Winkel | 1,008.04 mi (1,622.29 km) |
| Nelas to Offenburg | 949.33 mi (1,527.79 km) |
| Nelas to Oftersheim | 1,006.41 mi (1,619.66 km) |
| Nelas to Ohrdruf | 1,140.12 mi (1,834.84 km) |
| Nelas to Ohringen | 1,036.23 mi (1,667.66 km) |
| Nelas to Olbernhau | 1,234.24 mi (1,986.31 km) |
| Nelas to Olching | 1,081.22 mi (1,740.05 km) |
| Nelas to Oldenburg | 1,151.29 mi (1,852.82 km) |
| Nelas to Oldenburg in Holstein | 1,285.95 mi (2,069.54 km) |
| Nelas to Olfen | 1,059.39 mi (1,704.93 km) |
| Nelas to Olpe | 1,043.65 mi (1,679.60 km) |
| Nelas to Olsberg | 1,080.01 mi (1,738.11 km) |
| Nelas to Oranienburg | 1,301.20 mi (2,094.09 km) |
| Nelas to Ortenberg | 1,060.51 mi (1,706.72 km) |
