| San Carlos to Oberkirch | 5,758.15 mi (9,266.85 km) |
| San Carlos to Obernburg am Main | 5,715.10 mi (9,197.56 km) |
| San Carlos to Obernkirchen | 5,580.54 mi (8,981.01 km) |
| San Carlos to Oberschleissheim | 5,868.50 mi (9,444.44 km) |
| San Carlos to Oberstdorf | 5,881.10 mi (9,464.72 km) |
| San Carlos to Obertraubling | 5,843.61 mi (9,404.38 km) |
| San Carlos to Obertshausen | 5,694.35 mi (9,164.17 km) |
| San Carlos to Oberursel | 5,679.96 mi (9,141.02 km) |
| San Carlos to Ochsenfurt | 5,750.24 mi (9,254.11 km) |
| San Carlos to Ochsenhausen | 5,835.04 mi (9,390.59 km) |
| San Carlos to Ochtrup | 5,533.91 mi (8,905.96 km) |
| San Carlos to Odenthal | 5,595.41 mi (9,004.94 km) |
| San Carlos to Oelde | 5,579.33 mi (8,979.06 km) |
| San Carlos to Oelsnitz | 5,761.21 mi (9,271.78 km) |
| San Carlos to Oer-Erkenschwick | 5,566.02 mi (8,957.64 km) |
