| Nittedal to Oerlinghausen | 566.45 mi (911.62 km) |
| Nittedal to Oestrich-Winkel | 705.04 mi (1,134.66 km) |
| Nittedal to Offenburg | 810.44 mi (1,304.28 km) |
| Nittedal to Oftersheim | 744.97 mi (1,198.91 km) |
| Nittedal to Ohrdruf | 638.79 mi (1,028.03 km) |
| Nittedal to Ohringen | 753.22 mi (1,212.19 km) |
| Nittedal to Olbernhau | 656.95 mi (1,057.25 km) |
| Nittedal to Olching | 820.54 mi (1,320.54 km) |
| Nittedal to Oldenburg | 489.21 mi (787.31 km) |
| Nittedal to Oldenburg in Holstein | 398.88 mi (641.94 km) |
| Nittedal to Olfen | 592.77 mi (953.97 km) |
| Nittedal to Olpe | 636.74 mi (1,024.73 km) |
| Nittedal to Olsberg | 609.74 mi (981.27 km) |
| Nittedal to Oranienburg | 513.60 mi (826.56 km) |
| Nittedal to Ortenberg | 675.14 mi (1,086.54 km) |
