| Certaldo to Kenosha (Wisconsin) | 4,660.33 mi (7,500.08 km) |
| Certaldo to Kent (Ohio) | 4,456.68 mi (7,172.33 km) |
| Certaldo to Kent (Washington) | 5,538.90 mi (8,914.00 km) |
| Certaldo to Kentwood (Michigan) | 4,556.81 mi (7,333.48 km) |
| Certaldo to Kerman (California) | 6,099.40 mi (9,816.03 km) |
| Certaldo to Kernersville (North Carolina) | 4,613.05 mi (7,423.98 km) |
| Certaldo to Kerrville (Texas) | 5,708.22 mi (9,186.50 km) |
| Certaldo to Kettering (Maryland) | 4,353.29 mi (7,005.94 km) |
| Certaldo to Kettering (Ohio) | 4,634.15 mi (7,457.95 km) |
| Certaldo to Kewanee (Illinois) | 4,800.83 mi (7,726.19 km) |
| Certaldo to Key Biscayne (Florida) | 5,074.61 mi (8,166.80 km) |
| Certaldo to Key Largo (Florida) | 5,111.99 mi (8,226.96 km) |
| Certaldo to Key West (Florida) | 5,201.76 mi (8,371.43 km) |
| Certaldo to Keystone (Florida) | 5,077.40 mi (8,171.28 km) |
| Certaldo to Kihei (Hawaii) | 7,922.77 mi (12,750.46 km) |
