| Sompting to Oswego (Illinois) | 3,997.45 mi (6,433.27 km) |
| Sompting to Oswego (New York) | 3,454.25 mi (5,559.07 km) |
| Sompting to Otsego (Minnesota) | 4,028.92 mi (6,483.92 km) |
| Sompting to Ottawa (Illinois) | 4,031.40 mi (6,487.91 km) |
| Sompting to Ottawa (Kansas) | 4,409.04 mi (7,095.66 km) |
| Sompting to Ottumwa (Iowa) | 4,184.17 mi (6,733.77 km) |
| Sompting to Overland (Missouri) | 4,216.33 mi (6,785.52 km) |
| Sompting to Overland Park (Kansas) | 4,373.07 mi (7,037.77 km) |
| Sompting to Overlea (Maryland) | 3,629.29 mi (5,840.78 km) |
| Sompting to Oviedo (Florida) | 4,326.28 mi (6,962.48 km) |
| Sompting to Owasso (Oklahoma) | 4,545.49 mi (7,315.25 km) |
| Sompting to Owatonna (Minnesota) | 4,069.50 mi (6,549.22 km) |
| Sompting to Owensboro (Kentucky) | 4,132.84 mi (6,651.16 km) |
| Sompting to Owings Mills (Maryland) | 3,638.51 mi (5,855.62 km) |
| Sompting to Owosso (Michigan) | 3,777.29 mi (6,078.95 km) |
