| Humacao to Oberkirch | 4,555.10 mi (7,330.72 km) |
| Humacao to Obernburg am Main | 4,601.83 mi (7,405.92 km) |
| Humacao to Obernkirchen | 4,600.08 mi (7,403.12 km) |
| Humacao to Oberschleissheim | 4,715.46 mi (7,588.81 km) |
| Humacao to Oberstdorf | 4,658.81 mi (7,497.63 km) |
| Humacao to Obertraubling | 4,739.97 mi (7,628.24 km) |
| Humacao to Obertshausen | 4,587.96 mi (7,383.61 km) |
| Humacao to Oberursel | 4,576.55 mi (7,365.25 km) |
| Humacao to Ochsenfurt | 4,643.40 mi (7,472.83 km) |
| Humacao to Ochsenhausen | 4,641.53 mi (7,469.82 km) |
| Humacao to Ochtrup | 4,518.46 mi (7,271.76 km) |
| Humacao to Odenthal | 4,513.11 mi (7,263.14 km) |
| Humacao to Oelde | 4,558.66 mi (7,336.45 km) |
| Humacao to Oelsnitz | 4,734.50 mi (7,619.43 km) |
| Humacao to Oer-Erkenschwick | 4,519.92 mi (7,274.11 km) |
