| San Cataldo to Oberkirch | 818.98 mi (1,318.02 km) |
| San Cataldo to Obernburg am Main | 886.92 mi (1,427.35 km) |
| San Cataldo to Obernkirchen | 1,048.22 mi (1,686.95 km) |
| San Cataldo to Oberschleissheim | 753.80 mi (1,213.12 km) |
| San Cataldo to Oberstdorf | 711.15 mi (1,144.48 km) |
| San Cataldo to Obertraubling | 798.55 mi (1,285.15 km) |
| San Cataldo to Obertshausen | 906.04 mi (1,458.12 km) |
| San Cataldo to Oberursel | 918.61 mi (1,478.36 km) |
| San Cataldo to Ochsenfurt | 862.89 mi (1,388.68 km) |
| San Cataldo to Ochsenhausen | 759.42 mi (1,222.16 km) |
| San Cataldo to Ochtrup | 1,069.10 mi (1,720.55 km) |
| San Cataldo to Odenthal | 994.89 mi (1,601.12 km) |
| San Cataldo to Oelde | 1,031.27 mi (1,659.66 km) |
| San Cataldo to Oelsnitz | 898.10 mi (1,445.34 km) |
| San Cataldo to Oer-Erkenschwick | 1,031.81 mi (1,660.54 km) |
