| Parker to Oakleaf Plantation (Florida) | 1,446.49 mi (2,327.91 km) |
| Parker to Oakley (California) | 916.34 mi (1,474.70 km) |
| Parker to Oakton (Virginia) | 1,465.97 mi (2,359.25 km) |
| Parker to Oakville (Missouri) | 779.03 mi (1,253.73 km) |
| Parker to Oatfield (Oregon) | 992.86 mi (1,597.85 km) |
| Parker to Ocala (Florida) | 1,468.84 mi (2,363.86 km) |
| Parker to Ocean Acres (New Jersey) | 1,615.02 mi (2,599.13 km) |
| Parker to Ocean City (New Jersey) | 1,603.72 mi (2,580.93 km) |
| Parker to Ocean Pines (Maryland) | 1,586.72 mi (2,553.59 km) |
| Parker to Ocean Pointe (Hawaii) | 3,358.20 mi (5,404.50 km) |
| Parker to Ocean Springs (Mississippi) | 1,099.59 mi (1,769.63 km) |
| Parker to Oceanside (California) | 820.21 mi (1,320.01 km) |
| Parker to Oceanside (New York) | 1,639.66 mi (2,638.78 km) |
| Parker to Ocoee (Florida) | 1,523.26 mi (2,451.46 km) |
| Parker to Oconomowoc (Wisconsin) | 879.07 mi (1,414.72 km) |
