| Koszalin to Oswego (Illinois) | 4,459.48 mi (7,176.84 km) |
| Koszalin to Oswego (New York) | 3,969.96 mi (6,389.03 km) |
| Koszalin to Otsego (Minnesota) | 4,429.40 mi (7,128.44 km) |
| Koszalin to Ottawa (Illinois) | 4,492.98 mi (7,230.75 km) |
| Koszalin to Ottawa (Kansas) | 4,849.89 mi (7,805.15 km) |
| Koszalin to Ottumwa (Iowa) | 4,625.82 mi (7,444.53 km) |
| Koszalin to Overland (Missouri) | 4,688.07 mi (7,544.73 km) |
| Koszalin to Overland Park (Kansas) | 4,815.68 mi (7,750.09 km) |
| Koszalin to Overlea (Maryland) | 4,177.04 mi (6,722.30 km) |
| Koszalin to Oviedo (Florida) | 4,915.86 mi (7,911.32 km) |
| Koszalin to Owasso (Oklahoma) | 4,998.57 mi (8,044.42 km) |
| Koszalin to Owatonna (Minnesota) | 4,482.02 mi (7,213.12 km) |
| Koszalin to Owensboro (Kentucky) | 4,631.38 mi (7,453.49 km) |
| Koszalin to Owings Mills (Maryland) | 4,184.44 mi (6,734.20 km) |
| Koszalin to Owosso (Michigan) | 4,253.72 mi (6,845.71 km) |
