| Santa Comba to Oberkirch | 895.77 mi (1,441.60 km) |
| Santa Comba to Obernburg am Main | 972.07 mi (1,564.39 km) |
| Santa Comba to Obernkirchen | 1,045.49 mi (1,682.55 km) |
| Santa Comba to Oberschleissheim | 1,044.44 mi (1,680.87 km) |
| Santa Comba to Oberstdorf | 974.10 mi (1,567.66 km) |
| Santa Comba to Obertraubling | 1,082.61 mi (1,742.28 km) |
| Santa Comba to Obertshausen | 965.49 mi (1,553.80 km) |
| Santa Comba to Oberursel | 958.93 mi (1,543.25 km) |
| Santa Comba to Ochsenfurt | 1,005.97 mi (1,618.95 km) |
| Santa Comba to Ochsenhausen | 969.02 mi (1,559.49 km) |
| Santa Comba to Ochtrup | 974.31 mi (1,568.00 km) |
| Santa Comba to Odenthal | 928.39 mi (1,494.10 km) |
| Santa Comba to Oelde | 994.85 mi (1,601.06 km) |
| Santa Comba to Oelsnitz | 1,111.51 mi (1,788.80 km) |
| Santa Comba to Oer-Erkenschwick | 955.16 mi (1,537.18 km) |
