| Castagneto Carducci to Kaneohe (Hawaii) | 7,914.56 mi (12,737.26 km) |
| Castagneto Carducci to Kankakee (Illinois) | 4,722.91 mi (7,600.79 km) |
| Castagneto Carducci to Kannapolis (North Carolina) | 4,657.38 mi (7,495.33 km) |
| Castagneto Carducci to Kansas City (Kansas) | 5,086.89 mi (8,186.56 km) |
| Castagneto Carducci to Kansas City (Missouri) | 5,079.40 mi (8,174.50 km) |
| Castagneto Carducci to Kapaa (Hawaii) | 7,882.86 mi (12,686.24 km) |
| Castagneto Carducci to Kapolei (Hawaii) | 7,921.93 mi (12,749.12 km) |
| Castagneto Carducci to Katy (Texas) | 5,579.04 mi (8,978.60 km) |
| Castagneto Carducci to Kaukauna (Wisconsin) | 4,601.64 mi (7,405.63 km) |
| Castagneto Carducci to Kaysville (Utah) | 5,609.98 mi (9,028.38 km) |
| Castagneto Carducci to Kearney (Missouri) | 5,060.93 mi (8,144.78 km) |
| Castagneto Carducci to Kearney (Nebraska) | 5,177.64 mi (8,332.61 km) |
| Castagneto Carducci to Kearns (Utah) | 5,632.46 mi (9,064.57 km) |
| Castagneto Carducci to Kearny (New Jersey) | 4,157.31 mi (6,690.54 km) |
| Castagneto Carducci to Keene (New Hampshire) | 3,997.14 mi (6,432.78 km) |
