| Kailua to Oberkirch | 7,526.56 mi (12,112.83 km) |
| Kailua to Obernburg am Main | 7,449.79 mi (11,989.28 km) |
| Kailua to Obernkirchen | 7,286.06 mi (11,725.77 km) |
| Kailua to Oberschleissheim | 7,579.63 mi (12,198.23 km) |
| Kailua to Oberstdorf | 7,624.94 mi (12,271.15 km) |
| Kailua to Obertraubling | 7,535.85 mi (12,127.77 km) |
| Kailua to Obertshausen | 7,431.46 mi (11,959.77 km) |
| Kailua to Oberursel | 7,419.67 mi (11,940.81 km) |
| Kailua to Ochsenfurt | 7,471.48 mi (12,024.18 km) |
| Kailua to Ochsenhausen | 7,576.96 mi (12,193.94 km) |
| Kailua to Ochtrup | 7,270.95 mi (11,701.46 km) |
| Kailua to Odenthal | 7,348.53 mi (11,826.32 km) |
| Kailua to Oelde | 7,305.83 mi (11,757.59 km) |
| Kailua to Oelsnitz | 7,437.09 mi (11,968.84 km) |
| Kailua to Oer-Erkenschwick | 7,309.28 mi (11,763.14 km) |
