| Civitanova Marche to Oerlinghausen | 643.21 mi (1,035.14 km) |
| Civitanova Marche to Oestrich-Winkel | 536.51 mi (863.43 km) |
| Civitanova Marche to Offenburg | 452.77 mi (728.67 km) |
| Civitanova Marche to Oftersheim | 485.79 mi (781.80 km) |
| Civitanova Marche to Ohrdruf | 538.85 mi (867.19 km) |
| Civitanova Marche to Ohringen | 454.89 mi (732.07 km) |
| Civitanova Marche to Olbernhau | 509.34 mi (819.70 km) |
| Civitanova Marche to Olching | 357.99 mi (576.14 km) |
| Civitanova Marche to Oldenburg | 725.51 mi (1,167.60 km) |
| Civitanova Marche to Oldenburg in Holstein | 770.85 mi (1,240.56 km) |
| Civitanova Marche to Olfen | 652.11 mi (1,049.47 km) |
| Civitanova Marche to Olpe | 600.46 mi (966.34 km) |
| Civitanova Marche to Olsberg | 607.74 mi (978.06 km) |
| Civitanova Marche to Oranienburg | 653.63 mi (1,051.92 km) |
| Civitanova Marche to Ortenberg | 535.05 mi (861.08 km) |
