| Santa Coloma de Farnes to Oerlinghausen | 752.77 mi (1,211.47 km) |
| Santa Coloma de Farnes to Oestrich-Winkel | 617.54 mi (993.84 km) |
| Santa Coloma de Farnes to Offenburg | 523.22 mi (842.05 km) |
| Santa Coloma de Farnes to Oftersheim | 591.97 mi (952.69 km) |
| Santa Coloma de Farnes to Ohrdruf | 728.27 mi (1,172.03 km) |
| Santa Coloma de Farnes to Ohringen | 604.79 mi (973.32 km) |
| Santa Coloma de Farnes to Olbernhau | 791.91 mi (1,274.46 km) |
| Santa Coloma de Farnes to Olching | 607.70 mi (978.00 km) |
| Santa Coloma de Farnes to Oldenburg | 820.75 mi (1,320.87 km) |
| Santa Coloma de Farnes to Oldenburg in Holstein | 937.86 mi (1,509.33 km) |
| Santa Coloma de Farnes to Olfen | 716.13 mi (1,152.49 km) |
| Santa Coloma de Farnes to Olpe | 678.25 mi (1,091.54 km) |
| Santa Coloma de Farnes to Olsberg | 710.77 mi (1,143.87 km) |
| Santa Coloma de Farnes to Oranienburg | 898.84 mi (1,446.54 km) |
| Santa Coloma de Farnes to Ortenberg | 661.28 mi (1,064.22 km) |
