| Kastamonu to Castle Rock (Colorado) | 6,281.54 mi (10,109.16 km) |
| Kastamonu to Castro Valley (California) | 6,763.84 mi (10,885.34 km) |
| Kastamonu to Catalina Foothills (Arizona) | 6,871.05 mi (11,057.89 km) |
| Kastamonu to Cataño (Puerto Rico) | 5,875.87 mi (9,456.30 km) |
| Kastamonu to Cathedral City (California) | 6,906.85 mi (11,115.50 km) |
| Kastamonu to Catonsville (Maryland) | 5,361.74 mi (8,628.88 km) |
| Kastamonu to Cave Spring (Virginia) | 5,586.62 mi (8,990.80 km) |
| Kastamonu to Cayce (South Carolina) | 5,790.75 mi (9,319.32 km) |
| Kastamonu to Cayey (Puerto Rico) | 5,891.74 mi (9,481.84 km) |
| Kastamonu to Cedar City (Utah) | 6,588.11 mi (10,602.53 km) |
| Kastamonu to Cedar Falls (Iowa) | 5,742.78 mi (9,242.11 km) |
| Kastamonu to Cedar Hill (Texas) | 6,442.87 mi (10,368.79 km) |
| Kastamonu to Cedar Lake (Indiana) | 5,642.27 mi (9,080.36 km) |
| Kastamonu to Cedar Mill (Oregon) | 6,260.19 mi (10,074.81 km) |
| Kastamonu to Cedar Park (Texas) | 6,589.46 mi (10,604.71 km) |
