| Santa Comba to Oerlinghausen | 1,018.50 mi (1,639.12 km) |
| Santa Comba to Oestrich-Winkel | 929.84 mi (1,496.43 km) |
| Santa Comba to Offenburg | 887.78 mi (1,428.75 km) |
| Santa Comba to Oftersheim | 936.94 mi (1,507.85 km) |
| Santa Comba to Ohrdruf | 1,063.00 mi (1,710.74 km) |
| Santa Comba to Ohringen | 971.61 mi (1,563.65 km) |
| Santa Comba to Olbernhau | 1,165.57 mi (1,875.80 km) |
| Santa Comba to Olching | 1,032.46 mi (1,661.58 km) |
| Santa Comba to Oldenburg | 1,046.43 mi (1,684.06 km) |
| Santa Comba to Oldenburg in Holstein | 1,181.56 mi (1,901.53 km) |
| Santa Comba to Olfen | 962.71 mi (1,549.32 km) |
| Santa Comba to Olpe | 954.92 mi (1,536.79 km) |
| Santa Comba to Olsberg | 990.67 mi (1,594.33 km) |
| Santa Comba to Oranienburg | 1,214.65 mi (1,954.79 km) |
| Santa Comba to Ortenberg | 982.52 mi (1,581.21 km) |
