| Richmond Hill to Orbetello | 4,891.22 mi (7,871.66 km) |
| Richmond Hill to Oria | 5,247.42 mi (8,444.91 km) |
| Richmond Hill to Oristano | 4,844.58 mi (7,796.60 km) |
| Richmond Hill to Orta Nova | 5,131.82 mi (8,258.87 km) |
| Richmond Hill to Orte | 4,944.17 mi (7,956.87 km) |
| Richmond Hill to Ortona | 5,038.94 mi (8,109.40 km) |
| Richmond Hill to Orvieto | 4,923.64 mi (7,923.83 km) |
| Richmond Hill to Orzinuovi | 4,746.44 mi (7,638.66 km) |
| Richmond Hill to Osimo | 4,961.65 mi (7,985.01 km) |
| Richmond Hill to Ospitaletto | 4,748.19 mi (7,641.48 km) |
| Richmond Hill to Ostuni | 5,237.06 mi (8,428.24 km) |
| Richmond Hill to Ottaviano | 5,091.34 mi (8,193.72 km) |
| Richmond Hill to Ovada | 4,710.54 mi (7,580.89 km) |
| Richmond Hill to Ozieri | 4,844.00 mi (7,795.67 km) |
| Richmond Hill to Paceco | 5,094.29 mi (8,198.47 km) |
