| Certaldo to Keizer (Oregon) | 5,699.23 mi (9,172.02 km) |
| Certaldo to Keller (Texas) | 5,486.26 mi (8,829.28 km) |
| Certaldo to Kelso (Washington) | 5,630.00 mi (9,060.60 km) |
| Certaldo to Kemp Mill (Maryland) | 4,357.31 mi (7,012.41 km) |
| Certaldo to Ken Caryl (Colorado) | 5,450.80 mi (8,772.21 km) |
| Certaldo to Kendale Lakes (Florida) | 5,085.24 mi (8,183.90 km) |
| Certaldo to Kendall (Florida) | 5,084.52 mi (8,182.75 km) |
| Certaldo to Kendall Park (New Jersey) | 4,195.93 mi (6,752.70 km) |
| Certaldo to Kendall West (Florida) | 5,086.77 mi (8,186.36 km) |
| Certaldo to Kenmore (New York) | 4,279.76 mi (6,887.61 km) |
| Certaldo to Kenmore (Washington) | 5,518.63 mi (8,881.38 km) |
| Certaldo to Kenner (Louisiana) | 5,333.57 mi (8,583.55 km) |
| Certaldo to Kennesaw (Georgia) | 4,902.61 mi (7,889.98 km) |
| Certaldo to Kennett (Missouri) | 5,033.52 mi (8,100.66 km) |
| Certaldo to Kennewick (Washington) | 5,528.73 mi (8,897.63 km) |
