| Castel Gandolfo to Keizer (Oregon) | 5,847.95 mi (9,411.37 km) |
| Castel Gandolfo to Keller (Texas) | 5,626.01 mi (9,054.19 km) |
| Castel Gandolfo to Kelso (Washington) | 5,778.64 mi (9,299.83 km) |
| Castel Gandolfo to Kemp Mill (Maryland) | 4,490.70 mi (7,227.08 km) |
| Castel Gandolfo to Ken Caryl (Colorado) | 5,597.04 mi (9,007.57 km) |
| Castel Gandolfo to Kendale Lakes (Florida) | 5,206.03 mi (8,378.29 km) |
| Castel Gandolfo to Kendall (Florida) | 5,205.22 mi (8,376.99 km) |
| Castel Gandolfo to Kendall Park (New Jersey) | 4,329.40 mi (6,967.50 km) |
| Castel Gandolfo to Kendall West (Florida) | 5,207.58 mi (8,380.80 km) |
| Castel Gandolfo to Kenmore (New York) | 4,417.93 mi (7,109.97 km) |
| Castel Gandolfo to Kenmore (Washington) | 5,667.19 mi (9,120.47 km) |
| Castel Gandolfo to Kenner (Louisiana) | 5,466.79 mi (8,797.94 km) |
| Castel Gandolfo to Kennesaw (Georgia) | 5,035.66 mi (8,104.12 km) |
| Castel Gandolfo to Kennett (Missouri) | 5,171.69 mi (8,323.03 km) |
| Castel Gandolfo to Kennewick (Washington) | 5,677.62 mi (9,137.25 km) |
