| Alfaro to Oberkirch | 647.66 mi (1,042.31 km) |
| Alfaro to Obernburg am Main | 742.44 mi (1,194.85 km) |
| Alfaro to Obernkirchen | 861.64 mi (1,386.67 km) |
| Alfaro to Oberschleissheim | 770.40 mi (1,239.84 km) |
| Alfaro to Oberstdorf | 690.57 mi (1,111.37 km) |
| Alfaro to Obertraubling | 818.31 mi (1,316.94 km) |
| Alfaro to Obertshausen | 742.83 mi (1,195.47 km) |
| Alfaro to Oberursel | 741.17 mi (1,192.80 km) |
| Alfaro to Ochsenfurt | 765.91 mi (1,232.61 km) |
| Alfaro to Ochsenhausen | 699.49 mi (1,125.72 km) |
| Alfaro to Ochtrup | 808.67 mi (1,301.43 km) |
| Alfaro to Odenthal | 741.43 mi (1,193.21 km) |
| Alfaro to Oelde | 812.39 mi (1,307.41 km) |
| Alfaro to Oelsnitz | 872.31 mi (1,403.84 km) |
| Alfaro to Oer-Erkenschwick | 778.47 mi (1,252.83 km) |
