| Hauppauge to Oberkirch | 3,838.11 mi (6,176.84 km) |
| Hauppauge to Obernburg am Main | 3,843.65 mi (6,185.75 km) |
| Hauppauge to Obernkirchen | 3,774.78 mi (6,074.92 km) |
| Hauppauge to Oberschleissheim | 3,990.37 mi (6,421.89 km) |
| Hauppauge to Oberstdorf | 3,963.35 mi (6,378.40 km) |
| Hauppauge to Obertraubling | 3,992.39 mi (6,425.13 km) |
| Hauppauge to Obertshausen | 3,824.69 mi (6,155.24 km) |
| Hauppauge to Oberursel | 3,810.46 mi (6,132.34 km) |
| Hauppauge to Ochsenfurt | 3,886.64 mi (6,254.94 km) |
| Hauppauge to Ochsenhausen | 3,929.17 mi (6,323.39 km) |
| Hauppauge to Ochtrup | 3,701.06 mi (5,956.28 km) |
| Hauppauge to Odenthal | 3,728.93 mi (6,001.13 km) |
| Hauppauge to Oelde | 3,748.59 mi (6,032.77 km) |
| Hauppauge to Oelsnitz | 3,947.63 mi (6,353.09 km) |
| Hauppauge to Oer-Erkenschwick | 3,718.14 mi (5,983.77 km) |
