| Castel Gandolfo to Kenosha (Wisconsin) | 4,802.03 mi (7,728.12 km) |
| Castel Gandolfo to Kent (Ohio) | 4,594.40 mi (7,393.97 km) |
| Castel Gandolfo to Kent (Washington) | 5,687.50 mi (9,153.15 km) |
| Castel Gandolfo to Kentwood (Michigan) | 4,697.80 mi (7,560.38 km) |
| Castel Gandolfo to Kerman (California) | 6,248.09 mi (10,055.32 km) |
| Castel Gandolfo to Kernersville (North Carolina) | 4,745.24 mi (7,636.72 km) |
| Castel Gandolfo to Kerrville (Texas) | 5,847.19 mi (9,410.14 km) |
| Castel Gandolfo to Kettering (Maryland) | 4,486.38 mi (7,220.13 km) |
| Castel Gandolfo to Kettering (Ohio) | 4,772.00 mi (7,679.79 km) |
| Castel Gandolfo to Kewanee (Illinois) | 4,942.47 mi (7,954.14 km) |
| Castel Gandolfo to Key Biscayne (Florida) | 5,195.16 mi (8,360.80 km) |
| Castel Gandolfo to Key Largo (Florida) | 5,232.08 mi (8,420.22 km) |
| Castel Gandolfo to Key West (Florida) | 5,322.45 mi (8,565.66 km) |
| Castel Gandolfo to Keystone (Florida) | 5,202.90 mi (8,373.27 km) |
| Castel Gandolfo to Kihei (Hawaii) | 8,061.63 mi (12,973.94 km) |
