| Richmond Hill to Orangeburg (South Carolina) | 112.98 mi (181.82 km) |
| Richmond Hill to Orangevale (California) | 2,280.31 mi (3,669.80 km) |
| Richmond Hill to Orchards (Washington) | 2,382.97 mi (3,835.03 km) |
| Richmond Hill to Orcutt (California) | 2,251.42 mi (3,623.30 km) |
| Richmond Hill to Oregon (Ohio) | 683.81 mi (1,100.49 km) |
| Richmond Hill to Oregon (Wisconsin) | 880.25 mi (1,416.63 km) |
| Richmond Hill to Oregon City (Oregon) | 2,382.33 mi (3,833.98 km) |
| Richmond Hill to Orem (Utah) | 1,782.47 mi (2,868.61 km) |
| Richmond Hill to Orinda (California) | 2,333.69 mi (3,755.70 km) |
| Richmond Hill to Orland Park (Illinois) | 761.79 mi (1,225.97 km) |
| Richmond Hill to Orlando (Florida) | 236.57 mi (380.73 km) |
| Richmond Hill to Ormond Beach (Florida) | 180.27 mi (290.11 km) |
| Richmond Hill to Oro Valley (Arizona) | 1,729.87 mi (2,783.95 km) |
| Richmond Hill to Oroville (California) | 2,298.62 mi (3,699.27 km) |
| Richmond Hill to Oshkosh (Wisconsin) | 925.02 mi (1,488.67 km) |
