| Greenlawn to Oberkirch | 3,842.71 mi (6,184.25 km) |
| Greenlawn to Obernburg am Main | 3,848.03 mi (6,192.80 km) |
| Greenlawn to Obernkirchen | 3,778.81 mi (6,081.41 km) |
| Greenlawn to Oberschleissheim | 3,994.87 mi (6,429.12 km) |
| Greenlawn to Oberstdorf | 3,968.02 mi (6,385.90 km) |
| Greenlawn to Obertraubling | 3,996.76 mi (6,432.16 km) |
| Greenlawn to Obertshausen | 3,829.05 mi (6,162.25 km) |
| Greenlawn to Oberursel | 3,814.81 mi (6,139.34 km) |
| Greenlawn to Ochsenfurt | 3,891.00 mi (6,261.96 km) |
| Greenlawn to Ochsenhausen | 3,933.76 mi (6,330.77 km) |
| Greenlawn to Ochtrup | 3,705.17 mi (5,962.90 km) |
| Greenlawn to Odenthal | 3,733.22 mi (6,008.03 km) |
| Greenlawn to Oelde | 3,752.72 mi (6,039.42 km) |
| Greenlawn to Oelsnitz | 3,951.80 mi (6,359.80 km) |
| Greenlawn to Oer-Erkenschwick | 3,722.33 mi (5,990.52 km) |
