| Potenza to Oerlinghausen | 852.90 mi (1,372.60 km) |
| Potenza to Oestrich-Winkel | 749.02 mi (1,205.44 km) |
| Potenza to Offenburg | 664.79 mi (1,069.87 km) |
| Potenza to Oftersheim | 698.32 mi (1,123.84 km) |
| Potenza to Ohrdruf | 745.13 mi (1,199.17 km) |
| Potenza to Ohringen | 666.79 mi (1,073.09 km) |
| Potenza to Olbernhau | 703.30 mi (1,131.85 km) |
| Potenza to Olching | 567.45 mi (913.22 km) |
| Potenza to Oldenburg | 934.42 mi (1,503.80 km) |
| Potenza to Oldenburg in Holstein | 971.20 mi (1,563.00 km) |
| Potenza to Olfen | 863.88 mi (1,390.27 km) |
| Potenza to Olpe | 812.42 mi (1,307.46 km) |
| Potenza to Olsberg | 818.55 mi (1,317.33 km) |
| Potenza to Oranienburg | 846.11 mi (1,361.68 km) |
| Potenza to Ortenberg | 746.23 mi (1,200.94 km) |
