| Pefka to Oswego (Illinois) | 5,311.05 mi (8,547.31 km) |
| Pefka to Oswego (New York) | 4,772.10 mi (7,679.96 km) |
| Pefka to Otsego (Minnesota) | 5,325.50 mi (8,570.56 km) |
| Pefka to Ottawa (Illinois) | 5,344.99 mi (8,601.93 km) |
| Pefka to Ottawa (Kansas) | 5,719.10 mi (9,204.01 km) |
| Pefka to Ottumwa (Iowa) | 5,493.89 mi (8,841.55 km) |
| Pefka to Overland (Missouri) | 5,531.83 mi (8,902.63 km) |
| Pefka to Overland Park (Kansas) | 5,683.47 mi (9,146.65 km) |
| Pefka to Overlea (Maryland) | 4,944.15 mi (7,956.84 km) |
| Pefka to Oviedo (Florida) | 5,624.61 mi (9,051.93 km) |
| Pefka to Owasso (Oklahoma) | 5,858.47 mi (9,428.30 km) |
| Pefka to Owatonna (Minnesota) | 5,370.46 mi (8,642.92 km) |
| Pefka to Owensboro (Kentucky) | 5,450.57 mi (8,771.84 km) |
| Pefka to Owings Mills (Maryland) | 4,953.66 mi (7,972.15 km) |
| Pefka to Owosso (Michigan) | 5,092.77 mi (8,196.02 km) |
