| Kastamonu to Caguas (Puerto Rico) | 5,880.28 mi (9,463.39 km) |
| Kastamonu to Cahokia (Illinois) | 5,884.06 mi (9,469.49 km) |
| Kastamonu to Calabasas (California) | 6,933.65 mi (11,158.63 km) |
| Kastamonu to Caldwell (Idaho) | 6,282.06 mi (10,110.01 km) |
| Kastamonu to Caledonia (Wisconsin) | 5,581.59 mi (8,982.70 km) |
| Kastamonu to Calera (Alabama) | 6,051.81 mi (9,739.45 km) |
| Kastamonu to Calexico (California) | 6,958.77 mi (11,199.05 km) |
| Kastamonu to Calhoun (Georgia) | 5,912.63 mi (9,515.46 km) |
| Kastamonu to California (Maryland) | 5,398.59 mi (8,688.19 km) |
| Kastamonu to California City (California) | 6,851.63 mi (11,026.64 km) |
| Kastamonu to Callaway (Florida) | 6,163.26 mi (9,918.81 km) |
| Kastamonu to Calumet City (Illinois) | 5,633.19 mi (9,065.75 km) |
| Kastamonu to Calverton (Maryland) | 5,379.62 mi (8,657.66 km) |
| Kastamonu to Camano (Washington) | 6,080.80 mi (9,786.11 km) |
| Kastamonu to Camarillo (California) | 6,935.40 mi (11,161.45 km) |
