| Idanha-a-Nova to Kinston (North Carolina) | 3,764.07 mi (6,057.68 km) |
| Idanha-a-Nova to Kirkland (Washington) | 5,190.92 mi (8,353.97 km) |
| Idanha-a-Nova to Kirksville (Missouri) | 4,318.39 mi (6,949.78 km) |
| Idanha-a-Nova to Kirkwood (Missouri) | 4,275.72 mi (6,881.10 km) |
| Idanha-a-Nova to Kiryas Joel (New York) | 3,420.03 mi (5,504.00 km) |
| Idanha-a-Nova to Kissimmee (Florida) | 4,198.87 mi (6,757.42 km) |
| Idanha-a-Nova to Klamath Falls (Oregon) | 5,440.42 mi (8,755.50 km) |
| Idanha-a-Nova to Knightdale (North Carolina) | 3,792.70 mi (6,103.76 km) |
| Idanha-a-Nova to Knik-Fairview (Alaska) | 5,119.19 mi (8,238.54 km) |
| Idanha-a-Nova to Knoxville (Tennessee) | 4,055.79 mi (6,527.16 km) |
| Idanha-a-Nova to Kokomo (Indiana) | 4,012.52 mi (6,457.53 km) |
| Idanha-a-Nova to Kuna (Idaho) | 5,181.39 mi (8,338.64 km) |
| Idanha-a-Nova to Kyle (Texas) | 4,957.24 mi (7,977.91 km) |
| Idanha-a-Nova to La Cañada Flintridge (California) | 5,687.12 mi (9,152.54 km) |
| Idanha-a-Nova to La Crescenta-Montrose (California) | 5,687.50 mi (9,153.14 km) |
