| San Cataldo to Oerlinghausen | 1,033.47 mi (1,663.22 km) |
| San Cataldo to Oestrich-Winkel | 914.19 mi (1,471.25 km) |
| San Cataldo to Offenburg | 817.53 mi (1,315.69 km) |
| San Cataldo to Oftersheim | 864.28 mi (1,390.92 km) |
| San Cataldo to Ohrdruf | 935.77 mi (1,505.97 km) |
| San Cataldo to Ohringen | 839.91 mi (1,351.71 km) |
| San Cataldo to Olbernhau | 911.45 mi (1,466.83 km) |
| San Cataldo to Olching | 752.55 mi (1,211.11 km) |
| San Cataldo to Oldenburg | 1,116.86 mi (1,797.40 km) |
| San Cataldo to Oldenburg in Holstein | 1,171.16 mi (1,884.80 km) |
| San Cataldo to Olfen | 1,034.59 mi (1,665.01 km) |
| San Cataldo to Olpe | 982.49 mi (1,581.17 km) |
| San Cataldo to Olsberg | 995.09 mi (1,601.44 km) |
| San Cataldo to Oranienburg | 1,055.74 mi (1,699.05 km) |
| San Cataldo to Ortenberg | 922.07 mi (1,483.93 km) |
