| Koszalin to Carson (California) | 5,776.31 mi (9,296.07 km) |
| Koszalin to Carson City (Nevada) | 5,477.15 mi (8,814.63 km) |
| Koszalin to Carteret (New Jersey) | 4,032.82 mi (6,490.20 km) |
| Koszalin to Cartersville (Georgia) | 4,746.73 mi (7,639.13 km) |
| Koszalin to Carthage (Missouri) | 4,901.80 mi (7,888.68 km) |
| Koszalin to Cary (Illinois) | 4,428.19 mi (7,126.48 km) |
| Koszalin to Cary (North Carolina) | 4,446.26 mi (7,155.57 km) |
| Koszalin to Casa de Oro-Mount Helix (California) | 5,811.89 mi (9,353.33 km) |
| Koszalin to Casa Grande (Arizona) | 5,667.76 mi (9,121.39 km) |
| Koszalin to Casas Adobes (Arizona) | 5,681.78 mi (9,143.94 km) |
| Koszalin to Cascades (Virginia) | 4,224.53 mi (6,798.72 km) |
| Koszalin to Casper (Wyoming) | 4,924.62 mi (7,925.41 km) |
| Koszalin to Casselberry (Florida) | 4,920.62 mi (7,918.97 km) |
| Koszalin to Castaic (California) | 5,744.88 mi (9,245.50 km) |
| Koszalin to Castle Pines (Colorado) | 5,084.49 mi (8,182.70 km) |
