| Richmond Heights to Olivares | 3,897.01 mi (6,271.64 km) |
| Richmond Heights to Olivenza | 3,809.17 mi (6,130.27 km) |
| Richmond Heights to Olot | 4,129.60 mi (6,645.94 km) |
| Richmond Heights to Onate | 3,883.17 mi (6,249.36 km) |
| Richmond Heights to Onda | 4,083.87 mi (6,572.36 km) |
| Richmond Heights to Onteniente | 4,108.34 mi (6,611.73 km) |
| Richmond Heights to Orihuela | 4,118.84 mi (6,628.63 km) |
| Richmond Heights to Osuna | 3,953.35 mi (6,362.30 km) |
| Richmond Heights to Ourense | 3,658.13 mi (5,887.19 km) |
| Richmond Heights to Oviedo | 3,719.04 mi (5,985.22 km) |
| Richmond Heights to Paiporta | 4,095.61 mi (6,591.24 km) |
| Richmond Heights to Pajara | 3,826.76 mi (6,158.58 km) |
| Richmond Heights to Palafolls | 4,159.26 mi (6,693.69 km) |
| Richmond Heights to Palafrugell | 4,168.67 mi (6,708.83 km) |
| Richmond Heights to Palamos | 4,169.71 mi (6,710.50 km) |
