| Kastamonu to Yonkers (New York) | 5,171.41 mi (8,322.57 km) |
| Kastamonu to Yorba Linda (California) | 6,931.27 mi (11,154.81 km) |
| Kastamonu to York (Pennsylvania) | 5,327.74 mi (8,574.17 km) |
| Kastamonu to Yorktown (Indiana) | 5,638.17 mi (9,073.76 km) |
| Kastamonu to Yorkville (Illinois) | 5,660.89 mi (9,110.32 km) |
| Kastamonu to Youngstown (Ohio) | 5,418.36 mi (8,720.01 km) |
| Kastamonu to Youngsville (Louisiana) | 6,408.71 mi (10,313.83 km) |
| Kastamonu to Ypsilanti (Michigan) | 5,466.60 mi (8,797.64 km) |
| Kastamonu to Yuba City (California) | 6,663.00 mi (10,723.07 km) |
| Kastamonu to Yucaipa (California) | 6,906.64 mi (11,115.17 km) |
| Kastamonu to Yucca Valley (California) | 6,887.56 mi (11,084.46 km) |
| Kastamonu to Yukon (Oklahoma) | 6,301.45 mi (10,141.21 km) |
| Kastamonu to Yulee (Florida) | 5,978.94 mi (9,622.18 km) |
| Kastamonu to Yuma (Arizona) | 6,942.43 mi (11,172.77 km) |
| Kastamonu to Zachary (Louisiana) | 6,347.27 mi (10,214.94 km) |
