| Orta Nova to Oerlinghausen | 806.35 mi (1,297.70 km) |
| Orta Nova to Oestrich-Winkel | 704.43 mi (1,133.67 km) |
| Orta Nova to Offenburg | 622.22 mi (1,001.36 km) |
| Orta Nova to Oftersheim | 653.79 mi (1,052.18 km) |
| Orta Nova to Ohrdruf | 697.83 mi (1,123.04 km) |
| Orta Nova to Ohringen | 621.47 mi (1,000.17 km) |
| Orta Nova to Olbernhau | 654.98 mi (1,054.08 km) |
| Orta Nova to Olching | 521.06 mi (838.57 km) |
| Orta Nova to Oldenburg | 887.59 mi (1,428.45 km) |
| Orta Nova to Oldenburg in Holstein | 923.11 mi (1,485.60 km) |
| Orta Nova to Olfen | 818.34 mi (1,316.99 km) |
| Orta Nova to Olpe | 767.06 mi (1,234.47 km) |
| Orta Nova to Olsberg | 772.47 mi (1,243.17 km) |
| Orta Nova to Oranienburg | 797.72 mi (1,283.81 km) |
| Orta Nova to Ortenberg | 700.38 mi (1,127.14 km) |
