| Portimao to Kaneohe (Hawaii) | 7,923.50 mi (12,751.64 km) |
| Portimao to Kankakee (Illinois) | 4,108.23 mi (6,611.55 km) |
| Portimao to Kannapolis (North Carolina) | 3,913.49 mi (6,298.15 km) |
| Portimao to Kansas City (Kansas) | 4,494.34 mi (7,232.95 km) |
| Portimao to Kansas City (Missouri) | 4,485.39 mi (7,218.53 km) |
| Portimao to Kapaa (Hawaii) | 7,924.89 mi (12,753.89 km) |
| Portimao to Kapolei (Hawaii) | 7,935.57 mi (12,771.07 km) |
| Portimao to Katy (Texas) | 4,876.26 mi (7,847.58 km) |
| Portimao to Kaukauna (Wisconsin) | 4,038.33 mi (6,499.07 km) |
| Portimao to Kaysville (Utah) | 5,190.01 mi (8,352.52 km) |
| Portimao to Kearney (Missouri) | 4,468.63 mi (7,191.57 km) |
| Portimao to Kearney (Nebraska) | 4,641.22 mi (7,469.32 km) |
| Portimao to Kearns (Utah) | 5,208.26 mi (8,381.89 km) |
| Portimao to Kearny (New Jersey) | 3,449.66 mi (5,551.69 km) |
| Portimao to Keene (New Hampshire) | 3,315.46 mi (5,335.71 km) |
