| Richmond Heights to Nuth | 3,976.82 mi (6,400.08 km) |
| Richmond Heights to Oegstgeest | 3,882.98 mi (6,249.05 km) |
| Richmond Heights to Oirschot | 3,935.89 mi (6,334.21 km) |
| Richmond Heights to Oisterwijk | 3,929.45 mi (6,323.85 km) |
| Richmond Heights to Oldebroek | 3,928.99 mi (6,323.10 km) |
| Richmond Heights to Oldenzaal | 3,971.97 mi (6,392.27 km) |
| Richmond Heights to Ommen | 3,946.29 mi (6,350.93 km) |
| Richmond Heights to Oosterend | 3,918.04 mi (6,305.47 km) |
| Richmond Heights to Oosterhout | 3,914.45 mi (6,299.70 km) |
| Richmond Heights to Oosterwolde | 3,926.81 mi (6,319.59 km) |
| Richmond Heights to Oostzaan | 3,891.18 mi (6,262.24 km) |
| Richmond Heights to Opmeer | 3,885.58 mi (6,253.24 km) |
| Richmond Heights to Oss | 3,935.82 mi (6,334.09 km) |
| Richmond Heights to Oud-Beijerland | 3,891.60 mi (6,262.93 km) |
| Richmond Heights to Oudenbosch | 3,903.33 mi (6,281.81 km) |
