| Koscian to Oswego (Illinois) | 4,563.57 mi (7,344.35 km) |
| Koscian to Oswego (New York) | 4,062.60 mi (6,538.13 km) |
| Koscian to Otsego (Minnesota) | 4,543.47 mi (7,312.01 km) |
| Koscian to Ottawa (Illinois) | 4,597.21 mi (7,398.49 km) |
| Koscian to Ottawa (Kansas) | 4,958.37 mi (7,979.73 km) |
| Koscian to Ottumwa (Iowa) | 4,733.75 mi (7,618.24 km) |
| Koscian to Overland (Missouri) | 4,790.83 mi (7,710.10 km) |
| Koscian to Overland Park (Kansas) | 4,923.81 mi (7,924.10 km) |
| Koscian to Overlea (Maryland) | 4,262.96 mi (6,860.57 km) |
| Koscian to Oviedo (Florida) | 4,992.20 mi (8,034.17 km) |
| Koscian to Owasso (Oklahoma) | 5,105.22 mi (8,216.06 km) |
| Koscian to Owatonna (Minnesota) | 4,594.37 mi (7,393.92 km) |
| Koscian to Owensboro (Kentucky) | 4,728.88 mi (7,610.40 km) |
| Koscian to Owings Mills (Maryland) | 4,270.80 mi (6,873.19 km) |
| Koscian to Owosso (Michigan) | 4,354.77 mi (7,008.32 km) |
