| Richmond Heights to Oberkirch | 4,142.47 mi (6,666.67 km) |
| Richmond Heights to Obernburg am Main | 4,138.43 mi (6,660.16 km) |
| Richmond Heights to Obernkirchen | 4,054.98 mi (6,525.86 km) |
| Richmond Heights to Oberschleissheim | 4,289.28 mi (6,902.93 km) |
| Richmond Heights to Oberstdorf | 4,269.53 mi (6,871.15 km) |
| Richmond Heights to Obertraubling | 4,286.06 mi (6,897.75 km) |
| Richmond Heights to Obertshausen | 4,118.74 mi (6,628.47 km) |
| Richmond Heights to Oberursel | 4,104.20 mi (6,605.07 km) |
| Richmond Heights to Ochsenfurt | 4,180.70 mi (6,728.19 km) |
| Richmond Heights to Ochsenhausen | 4,232.40 mi (6,811.39 km) |
| Richmond Heights to Ochtrup | 3,985.16 mi (6,413.49 km) |
| Richmond Heights to Odenthal | 4,020.42 mi (6,470.25 km) |
| Richmond Heights to Oelde | 4,033.27 mi (6,490.92 km) |
| Richmond Heights to Oelsnitz | 4,233.01 mi (6,812.37 km) |
| Richmond Heights to Oer-Erkenschwick | 4,005.65 mi (6,446.46 km) |
