| Richmond Hill to Oakleaf Plantation (Florida) | 123.60 mi (198.92 km) |
| Richmond Hill to Oakley (California) | 2,307.05 mi (3,712.84 km) |
| Richmond Hill to Oakton (Virginia) | 532.87 mi (857.58 km) |
| Richmond Hill to Oakville (Missouri) | 680.08 mi (1,094.49 km) |
| Richmond Hill to Oatfield (Oregon) | 2,383.12 mi (3,835.26 km) |
| Richmond Hill to Ocala (Florida) | 194.66 mi (313.27 km) |
| Richmond Hill to Ocean Acres (New Jersey) | 669.39 mi (1,077.27 km) |
| Richmond Hill to Ocean City (New Jersey) | 633.02 mi (1,018.74 km) |
| Richmond Hill to Ocean Pines (Maryland) | 567.11 mi (912.68 km) |
| Richmond Hill to Ocean Pointe (Hawaii) | 4,701.74 mi (7,566.72 km) |
| Richmond Hill to Ocean Springs (Mississippi) | 453.67 mi (730.12 km) |
| Richmond Hill to Oceanside (California) | 2,087.74 mi (3,359.90 km) |
| Richmond Hill to Oceanside (New York) | 738.78 mi (1,188.96 km) |
| Richmond Hill to Ocoee (Florida) | 229.88 mi (369.95 km) |
| Richmond Hill to Oconomowoc (Wisconsin) | 867.31 mi (1,395.79 km) |
