| Certaldo to Kinston (North Carolina) | 4,537.46 mi (7,302.34 km) |
| Certaldo to Kirkland (Washington) | 5,520.74 mi (8,884.77 km) |
| Certaldo to Kirksville (Missouri) | 4,952.49 mi (7,970.27 km) |
| Certaldo to Kirkwood (Missouri) | 4,941.28 mi (7,952.23 km) |
| Certaldo to Kiryas Joel (New York) | 4,143.10 mi (6,667.67 km) |
| Certaldo to Kissimmee (Florida) | 5,015.09 mi (8,071.00 km) |
| Certaldo to Klamath Falls (Oregon) | 5,829.24 mi (9,381.25 km) |
| Certaldo to Knightdale (North Carolina) | 4,556.12 mi (7,332.36 km) |
| Certaldo to Knik-Fairview (Alaska) | 5,097.97 mi (8,204.39 km) |
| Certaldo to Knoxville (Tennessee) | 4,787.51 mi (7,704.76 km) |
| Certaldo to Kokomo (Indiana) | 4,682.57 mi (7,535.87 km) |
| Certaldo to Kuna (Idaho) | 5,604.31 mi (9,019.26 km) |
| Certaldo to Kyle (Texas) | 5,659.14 mi (9,107.51 km) |
| Certaldo to La Cañada Flintridge (California) | 6,186.03 mi (9,955.45 km) |
| Certaldo to La Crescenta-Montrose (California) | 6,185.87 mi (9,955.19 km) |
