| Swanage to Oswego (Illinois) | 3,941.87 mi (6,343.83 km) |
| Swanage to Oswego (New York) | 3,394.75 mi (5,463.33 km) |
| Swanage to Otsego (Minnesota) | 3,978.68 mi (6,403.07 km) |
| Swanage to Ottawa (Illinois) | 3,975.83 mi (6,398.47 km) |
| Swanage to Ottawa (Kansas) | 4,354.78 mi (7,008.34 km) |
| Swanage to Ottumwa (Iowa) | 4,130.12 mi (6,646.78 km) |
| Swanage to Overland (Missouri) | 4,159.67 mi (6,694.34 km) |
| Swanage to Overland Park (Kansas) | 4,318.70 mi (6,950.28 km) |
| Swanage to Overlea (Maryland) | 3,566.94 mi (5,740.44 km) |
| Swanage to Oviedo (Florida) | 4,260.22 mi (6,856.16 km) |
| Swanage to Owasso (Oklahoma) | 4,490.04 mi (7,226.02 km) |
| Swanage to Owatonna (Minnesota) | 4,018.14 mi (6,466.57 km) |
| Swanage to Owensboro (Kentucky) | 4,074.03 mi (6,556.52 km) |
| Swanage to Owings Mills (Maryland) | 3,576.30 mi (5,755.50 km) |
| Swanage to Owosso (Michigan) | 3,720.75 mi (5,987.97 km) |
