| San Vicente de Castellet to Oerlinghausen | 780.22 mi (1,255.64 km) |
| San Vicente de Castellet to Oestrich-Winkel | 646.67 mi (1,040.71 km) |
| San Vicente de Castellet to Offenburg | 555.06 mi (893.28 km) |
| San Vicente de Castellet to Oftersheim | 623.35 mi (1,003.18 km) |
| San Vicente de Castellet to Ohrdruf | 760.61 mi (1,224.09 km) |
| San Vicente de Castellet to Ohringen | 638.10 mi (1,026.92 km) |
| San Vicente de Castellet to Olbernhau | 827.55 mi (1,331.81 km) |
| San Vicente de Castellet to Olching | 645.33 mi (1,038.56 km) |
| San Vicente de Castellet to Oldenburg | 846.02 mi (1,361.54 km) |
| San Vicente de Castellet to Oldenburg in Holstein | 965.67 mi (1,554.10 km) |
| San Vicente de Castellet to Olfen | 741.56 mi (1,193.43 km) |
| San Vicente de Castellet to Olpe | 705.49 mi (1,135.37 km) |
| San Vicente de Castellet to Olsberg | 738.74 mi (1,188.89 km) |
| San Vicente de Castellet to Oranienburg | 931.36 mi (1,498.88 km) |
| San Vicente de Castellet to Ortenberg | 691.79 mi (1,113.32 km) |
