| Oskarshamn to Oswego (Illinois) | 4,342.51 mi (6,988.60 km) |
| Oskarshamn to Oswego (New York) | 3,873.45 mi (6,233.71 km) |
| Oskarshamn to Otsego (Minnesota) | 4,295.07 mi (6,912.25 km) |
| Oskarshamn to Ottawa (Illinois) | 4,375.69 mi (7,041.99 km) |
| Oskarshamn to Ottawa (Kansas) | 4,724.65 mi (7,603.59 km) |
| Oskarshamn to Ottumwa (Iowa) | 4,501.90 mi (7,245.11 km) |
| Oskarshamn to Overland (Missouri) | 4,572.93 mi (7,359.42 km) |
| Oskarshamn to Overland Park (Kansas) | 4,691.11 mi (7,549.61 km) |
| Oskarshamn to Overlea (Maryland) | 4,091.10 mi (6,584.00 km) |
| Oskarshamn to Oviedo (Florida) | 4,843.56 mi (7,794.96 km) |
| Oskarshamn to Owasso (Oklahoma) | 4,876.22 mi (7,847.52 km) |
| Oskarshamn to Owatonna (Minnesota) | 4,350.65 mi (7,001.69 km) |
| Oskarshamn to Owensboro (Kentucky) | 4,525.23 mi (7,282.65 km) |
| Oskarshamn to Owings Mills (Maryland) | 4,097.75 mi (6,594.69 km) |
| Oskarshamn to Owosso (Michigan) | 4,142.38 mi (6,666.51 km) |
