| Foothill Farms to Oswego (Illinois) | 1,743.94 mi (2,806.60 km) |
| Foothill Farms to Oswego (New York) | 2,330.68 mi (3,750.87 km) |
| Foothill Farms to Otsego (Minnesota) | 1,486.46 mi (2,392.22 km) |
| Foothill Farms to Ottawa (Illinois) | 1,720.48 mi (2,768.85 km) |
| Foothill Farms to Ottawa (Kansas) | 1,402.84 mi (2,257.66 km) |
| Foothill Farms to Ottumwa (Iowa) | 1,535.82 mi (2,471.66 km) |
| Foothill Farms to Overland (Missouri) | 1,662.56 mi (2,675.62 km) |
| Foothill Farms to Overland Park (Kansas) | 1,430.77 mi (2,302.61 km) |
| Foothill Farms to Overlea (Maryland) | 2,381.54 mi (3,832.72 km) |
| Foothill Farms to Oviedo (Florida) | 2,389.92 mi (3,846.20 km) |
| Foothill Farms to Owasso (Oklahoma) | 1,404.13 mi (2,259.73 km) |
| Foothill Farms to Owatonna (Minnesota) | 1,496.51 mi (2,408.39 km) |
| Foothill Farms to Owensboro (Kentucky) | 1,848.31 mi (2,974.57 km) |
| Foothill Farms to Owings Mills (Maryland) | 2,366.56 mi (3,808.62 km) |
| Foothill Farms to Owosso (Michigan) | 1,949.46 mi (3,137.36 km) |
