| Kastamonu to Carson (California) | 6,944.62 mi (11,176.29 km) |
| Kastamonu to Carson City (Nevada) | 6,629.04 mi (10,668.41 km) |
| Kastamonu to Carteret (New Jersey) | 5,202.20 mi (8,372.14 km) |
| Kastamonu to Cartersville (Georgia) | 5,924.39 mi (9,534.38 km) |
| Kastamonu to Carthage (Missouri) | 6,099.03 mi (9,815.45 km) |
| Kastamonu to Cary (Illinois) | 5,624.77 mi (9,052.19 km) |
| Kastamonu to Cary (North Carolina) | 5,611.96 mi (9,031.58 km) |
| Kastamonu to Casa de Oro-Mount Helix (California) | 6,986.45 mi (11,243.61 km) |
| Kastamonu to Casa Grande (Arizona) | 6,855.83 mi (11,033.40 km) |
| Kastamonu to Casas Adobes (Arizona) | 6,871.98 mi (11,059.39 km) |
| Kastamonu to Cascades (Virginia) | 5,397.03 mi (8,685.68 km) |
| Kastamonu to Casper (Wyoming) | 6,109.96 mi (9,833.04 km) |
| Kastamonu to Casselberry (Florida) | 6,068.87 mi (9,766.91 km) |
| Kastamonu to Castaic (California) | 6,910.64 mi (11,121.60 km) |
| Kastamonu to Castle Pines (Colorado) | 6,276.82 mi (10,101.57 km) |
