| Parma to Oswego (Illinois) | 4,637.70 mi (7,463.65 km) |
| Parma to Oswego (New York) | 4,085.37 mi (6,574.77 km) |
| Parma to Otsego (Minnesota) | 4,674.45 mi (7,522.79 km) |
| Parma to Ottawa (Illinois) | 4,671.64 mi (7,518.28 km) |
| Parma to Ottawa (Kansas) | 5,051.28 mi (8,129.24 km) |
| Parma to Ottumwa (Iowa) | 4,826.69 mi (7,767.80 km) |
| Parma to Overland (Missouri) | 4,854.48 mi (7,812.53 km) |
| Parma to Overland Park (Kansas) | 5,015.16 mi (8,071.12 km) |
| Parma to Overlea (Maryland) | 4,249.45 mi (6,838.83 km) |
| Parma to Oviedo (Florida) | 4,922.75 mi (7,922.41 km) |
| Parma to Owasso (Oklahoma) | 5,185.89 mi (8,345.88 km) |
| Parma to Owatonna (Minnesota) | 4,714.51 mi (7,587.27 km) |
| Parma to Owensboro (Kentucky) | 4,765.68 mi (7,669.62 km) |
| Parma to Owings Mills (Maryland) | 4,259.29 mi (6,854.67 km) |
| Parma to Owosso (Michigan) | 4,415.78 mi (7,106.50 km) |
