| Southwick to Oakley (California) | 5,350.25 mi (8,610.40 km) |
| Southwick to Oakton (Virginia) | 3,686.63 mi (5,933.06 km) |
| Southwick to Oakville (Missouri) | 4,230.06 mi (6,807.62 km) |
| Southwick to Oatfield (Oregon) | 4,950.11 mi (7,966.44 km) |
| Southwick to Ocala (Florida) | 4,345.83 mi (6,993.94 km) |
| Southwick to Ocean Acres (New Jersey) | 3,524.25 mi (5,671.73 km) |
| Southwick to Ocean City (New Jersey) | 3,558.17 mi (5,726.33 km) |
| Southwick to Ocean Pines (Maryland) | 3,619.60 mi (5,825.19 km) |
| Southwick to Ocean Pointe (Hawaii) | 7,271.39 mi (11,702.17 km) |
| Southwick to Ocean Springs (Mississippi) | 4,562.25 mi (7,342.23 km) |
| Southwick to Oceanside (California) | 5,484.14 mi (8,825.88 km) |
| Southwick to Oceanside (New York) | 3,459.49 mi (5,567.51 km) |
| Southwick to Ocoee (Florida) | 4,349.06 mi (6,999.13 km) |
| Southwick to Oconomowoc (Wisconsin) | 3,942.27 mi (6,344.47 km) |
| Southwick to Odenton (Maryland) | 3,653.70 mi (5,880.06 km) |
