| Altamura to Oerlinghausen | 855.92 mi (1,377.47 km) |
| Altamura to Oestrich-Winkel | 756.92 mi (1,218.15 km) |
| Altamura to Offenburg | 676.47 mi (1,088.67 km) |
| Altamura to Oftersheim | 706.40 mi (1,136.84 km) |
| Altamura to Ohrdruf | 745.70 mi (1,200.08 km) |
| Altamura to Ohringen | 673.19 mi (1,083.40 km) |
| Altamura to Olbernhau | 697.84 mi (1,123.07 km) |
| Altamura to Olching | 571.27 mi (919.37 km) |
| Altamura to Oldenburg | 936.51 mi (1,507.17 km) |
| Altamura to Oldenburg in Holstein | 967.57 mi (1,557.15 km) |
| Altamura to Olfen | 869.60 mi (1,399.48 km) |
| Altamura to Olpe | 818.60 mi (1,317.41 km) |
| Altamura to Olsberg | 822.92 mi (1,324.36 km) |
| Altamura to Oranienburg | 839.34 mi (1,350.79 km) |
| Altamura to Ortenberg | 751.25 mi (1,209.02 km) |
