| Wil to Oswego (Illinois) | 4,480.11 mi (7,210.04 km) |
| Wil to Oswego (New York) | 3,937.28 mi (6,336.44 km) |
| Wil to Otsego (Minnesota) | 4,506.37 mi (7,252.31 km) |
| Wil to Ottawa (Illinois) | 4,514.06 mi (7,264.68 km) |
| Wil to Ottawa (Kansas) | 4,890.80 mi (7,870.99 km) |
| Wil to Ottumwa (Iowa) | 4,665.80 mi (7,508.88 km) |
| Wil to Overland (Missouri) | 4,699.43 mi (7,563.00 km) |
| Wil to Overland Park (Kansas) | 4,854.92 mi (7,813.24 km) |
| Wil to Overlea (Maryland) | 4,110.03 mi (6,614.46 km) |
| Wil to Oviedo (Florida) | 4,798.89 mi (7,723.07 km) |
| Wil to Owasso (Oklahoma) | 5,028.04 mi (8,091.85 km) |
| Wil to Owatonna (Minnesota) | 4,548.40 mi (7,319.95 km) |
| Wil to Owensboro (Kentucky) | 4,616.08 mi (7,428.86 km) |
| Wil to Owings Mills (Maryland) | 4,119.43 mi (6,629.58 km) |
| Wil to Owosso (Michigan) | 4,260.36 mi (6,856.39 km) |
