| Castagneto Carducci to Keizer (Oregon) | 5,710.42 mi (9,190.03 km) |
| Castagneto Carducci to Keller (Texas) | 5,483.64 mi (8,825.06 km) |
| Castagneto Carducci to Kelso (Washington) | 5,641.48 mi (9,079.08 km) |
| Castagneto Carducci to Kemp Mill (Maryland) | 4,350.95 mi (7,002.17 km) |
| Castagneto Carducci to Ken Caryl (Colorado) | 5,453.78 mi (8,777.02 km) |
| Castagneto Carducci to Kendale Lakes (Florida) | 5,073.45 mi (8,164.92 km) |
| Castagneto Carducci to Kendall (Florida) | 5,072.69 mi (8,163.71 km) |
| Castagneto Carducci to Kendall Park (New Jersey) | 4,189.61 mi (6,742.52 km) |
| Castagneto Carducci to Kendall West (Florida) | 5,074.99 mi (8,167.40 km) |
| Castagneto Carducci to Kenmore (New York) | 4,276.09 mi (6,881.70 km) |
| Castagneto Carducci to Kenmore (Washington) | 5,530.40 mi (8,900.32 km) |
| Castagneto Carducci to Kenner (Louisiana) | 5,327.16 mi (8,573.24 km) |
| Castagneto Carducci to Kennesaw (Georgia) | 4,896.10 mi (7,879.51 km) |
| Castagneto Carducci to Kennett (Missouri) | 5,029.87 mi (8,094.79 km) |
| Castagneto Carducci to Kennewick (Washington) | 5,538.99 mi (8,914.15 km) |
