| Southwick to Odessa (Texas) | 5,024.53 mi (8,086.21 km) |
| Southwick to Ogden (Utah) | 4,865.45 mi (7,830.19 km) |
| Southwick to Oildale (California) | 5,414.73 mi (8,714.16 km) |
| Southwick to Ojus (Florida) | 4,420.41 mi (7,113.97 km) |
| Southwick to Okemos (Michigan) | 3,803.08 mi (6,120.46 km) |
| Southwick to Oklahoma City (Oklahoma) | 4,654.91 mi (7,491.36 km) |
| Southwick to Okmulgee (Oklahoma) | 4,589.76 mi (7,386.51 km) |
| Southwick to Olathe (Kansas) | 4,381.90 mi (7,051.99 km) |
| Southwick to Old Jamestown (Missouri) | 4,209.96 mi (6,775.27 km) |
| Southwick to Oldsmar (Florida) | 4,423.51 mi (7,118.95 km) |
| Southwick to Olean (New York) | 3,593.49 mi (5,783.16 km) |
| Southwick to Olive Branch (Mississippi) | 4,380.21 mi (7,049.27 km) |
| Southwick to Olivehurst (California) | 5,283.58 mi (8,503.09 km) |
| Southwick to Olney (Maryland) | 3,665.74 mi (5,899.44 km) |
| Southwick to Olympia (Washington) | 4,865.22 mi (7,829.82 km) |
