| Somero to Oswego (Illinois) | 4,400.55 mi (7,082.00 km) |
| Somero to Oswego (New York) | 3,972.20 mi (6,392.64 km) |
| Somero to Otsego (Minnesota) | 4,318.69 mi (6,950.26 km) |
| Somero to Ottawa (Illinois) | 4,432.89 mi (7,134.04 km) |
| Somero to Ottawa (Kansas) | 4,763.97 mi (7,666.87 km) |
| Somero to Ottumwa (Iowa) | 4,545.32 mi (7,314.99 km) |
| Somero to Overland (Missouri) | 4,632.90 mi (7,455.93 km) |
| Somero to Overland Park (Kansas) | 4,731.99 mi (7,615.41 km) |
| Somero to Overlea (Maryland) | 4,206.19 mi (6,769.21 km) |
| Somero to Oviedo (Florida) | 4,975.92 mi (8,007.97 km) |
| Somero to Owasso (Oklahoma) | 4,920.32 mi (7,918.49 km) |
| Somero to Owatonna (Minnesota) | 4,380.03 mi (7,048.97 km) |
| Somero to Owensboro (Kentucky) | 4,602.21 mi (7,406.55 km) |
| Somero to Owings Mills (Maryland) | 4,211.54 mi (6,777.83 km) |
| Somero to Owosso (Michigan) | 4,212.45 mi (6,779.29 km) |
