| Street to Oswego (Illinois) | 3,895.48 mi (6,269.17 km) |
| Street to Oswego (New York) | 3,350.00 mi (5,391.30 km) |
| Street to Otsego (Minnesota) | 3,930.79 mi (6,326.00 km) |
| Street to Ottawa (Illinois) | 3,929.43 mi (6,323.81 km) |
| Street to Ottawa (Kansas) | 4,307.95 mi (6,932.98 km) |
| Street to Ottumwa (Iowa) | 4,083.22 mi (6,571.31 km) |
| Street to Overland (Missouri) | 4,113.68 mi (6,620.33 km) |
| Street to Overland Park (Kansas) | 4,271.91 mi (6,874.98 km) |
| Street to Overlea (Maryland) | 3,523.81 mi (5,671.03 km) |
| Street to Oviedo (Florida) | 4,220.00 mi (6,791.44 km) |
| Street to Owasso (Oklahoma) | 4,443.61 mi (7,151.30 km) |
| Street to Owatonna (Minnesota) | 3,970.50 mi (6,389.90 km) |
| Street to Owensboro (Kentucky) | 4,028.96 mi (6,483.99 km) |
| Street to Owings Mills (Maryland) | 3,533.08 mi (5,685.95 km) |
| Street to Owosso (Michigan) | 3,674.71 mi (5,913.87 km) |
