| Rossmoor to Oakleaf Plantation (Florida) | 2,128.10 mi (3,424.84 km) |
| Rossmoor to Oakley (California) | 353.94 mi (569.61 km) |
| Rossmoor to Oakton (Virginia) | 2,277.69 mi (3,665.59 km) |
| Rossmoor to Oakville (Missouri) | 1,576.18 mi (2,536.61 km) |
| Rossmoor to Oatfield (Oregon) | 837.94 mi (1,348.53 km) |
| Rossmoor to Ocala (Florida) | 2,130.03 mi (3,427.96 km) |
| Rossmoor to Ocean Acres (New Jersey) | 2,434.46 mi (3,917.89 km) |
| Rossmoor to Ocean City (New Jersey) | 2,420.03 mi (3,894.66 km) |
| Rossmoor to Ocean Pines (Maryland) | 2,396.44 mi (3,856.69 km) |
| Rossmoor to Ocean Pointe (Hawaii) | 2,575.70 mi (4,145.19 km) |
| Rossmoor to Ocean Springs (Mississippi) | 1,724.61 mi (2,775.49 km) |
| Rossmoor to Oceanside (California) | 59.13 mi (95.16 km) |
| Rossmoor to Oceanside (New York) | 2,464.15 mi (3,965.67 km) |
| Rossmoor to Ocoee (Florida) | 2,178.54 mi (3,506.03 km) |
| Rossmoor to Oconomowoc (Wisconsin) | 1,714.19 mi (2,758.73 km) |
