| Certaldo to Kaneohe (Hawaii) | 7,893.25 mi (12,702.95 km) |
| Certaldo to Kankakee (Illinois) | 4,724.92 mi (7,604.02 km) |
| Certaldo to Kannapolis (North Carolina) | 4,664.47 mi (7,506.74 km) |
| Certaldo to Kansas City (Kansas) | 5,087.64 mi (8,187.76 km) |
| Certaldo to Kansas City (Missouri) | 5,080.21 mi (8,175.81 km) |
| Certaldo to Kapaa (Hawaii) | 7,860.76 mi (12,650.67 km) |
| Certaldo to Kapolei (Hawaii) | 7,900.49 mi (12,714.61 km) |
| Certaldo to Katy (Texas) | 5,583.52 mi (8,985.80 km) |
| Certaldo to Kaukauna (Wisconsin) | 4,601.92 mi (7,406.08 km) |
| Certaldo to Kaysville (Utah) | 5,604.01 mi (9,018.79 km) |
| Certaldo to Kearney (Missouri) | 5,061.70 mi (8,146.01 km) |
| Certaldo to Kearney (Nebraska) | 5,176.24 mi (8,330.36 km) |
| Certaldo to Kearns (Utah) | 5,626.62 mi (9,055.16 km) |
| Certaldo to Kearny (New Jersey) | 4,163.57 mi (6,700.61 km) |
| Certaldo to Keene (New Hampshire) | 4,002.63 mi (6,441.60 km) |
