| Pila to Oswego (Illinois) | 4,521.25 mi (7,276.25 km) |
| Pila to Oswego (New York) | 4,026.72 mi (6,480.38 km) |
| Pila to Otsego (Minnesota) | 4,495.31 mi (7,234.51 km) |
| Pila to Ottawa (Illinois) | 4,554.81 mi (7,330.26 km) |
| Pila to Ottawa (Kansas) | 4,913.55 mi (7,907.59 km) |
| Pila to Ottumwa (Iowa) | 4,689.22 mi (7,546.58 km) |
| Pila to Overland (Missouri) | 4,749.30 mi (7,643.27 km) |
| Pila to Overland Park (Kansas) | 4,879.18 mi (7,852.29 km) |
| Pila to Overlea (Maryland) | 4,230.84 mi (6,808.88 km) |
| Pila to Oviedo (Florida) | 4,965.43 mi (7,991.09 km) |
| Pila to Owasso (Oklahoma) | 5,061.47 mi (8,145.65 km) |
| Pila to Owatonna (Minnesota) | 4,547.24 mi (7,318.07 km) |
| Pila to Owensboro (Kentucky) | 4,690.35 mi (7,548.39 km) |
| Pila to Owings Mills (Maryland) | 4,238.43 mi (6,821.10 km) |
| Pila to Owosso (Michigan) | 4,314.17 mi (6,942.99 km) |
