| Santurce-Antiguo to Oberkirch | 642.83 mi (1,034.54 km) |
| Santurce-Antiguo to Obernburg am Main | 730.89 mi (1,176.25 km) |
| Santurce-Antiguo to Obernkirchen | 833.98 mi (1,342.16 km) |
| Santurce-Antiguo to Oberschleissheim | 779.45 mi (1,254.40 km) |
| Santurce-Antiguo to Oberstdorf | 703.71 mi (1,132.52 km) |
| Santurce-Antiguo to Obertraubling | 823.07 mi (1,324.61 km) |
| Santurce-Antiguo to Obertshausen | 728.38 mi (1,172.22 km) |
| Santurce-Antiguo to Oberursel | 724.70 mi (1,166.29 km) |
| Santurce-Antiguo to Ochsenfurt | 759.13 mi (1,221.70 km) |
| Santurce-Antiguo to Ochsenhausen | 705.57 mi (1,135.51 km) |
| Santurce-Antiguo to Ochtrup | 773.92 mi (1,245.51 km) |
| Santurce-Antiguo to Odenthal | 713.11 mi (1,147.63 km) |
| Santurce-Antiguo to Oelde | 783.56 mi (1,261.01 km) |
| Santurce-Antiguo to Oelsnitz | 866.33 mi (1,394.22 km) |
| Santurce-Antiguo to Oer-Erkenschwick | 747.07 mi (1,202.29 km) |
