| Portimao to Kenosha (Wisconsin) | 4,066.87 mi (6,545.00 km) |
| Portimao to Kent (Ohio) | 3,795.46 mi (6,108.20 km) |
| Portimao to Kent (Washington) | 5,309.42 mi (8,544.69 km) |
| Portimao to Kentwood (Michigan) | 3,952.13 mi (6,360.33 km) |
| Portimao to Kerman (California) | 5,715.97 mi (9,198.96 km) |
| Portimao to Kernersville (North Carolina) | 3,867.07 mi (6,223.45 km) |
| Portimao to Kerrville (Texas) | 5,032.62 mi (8,099.23 km) |
| Portimao to Kettering (Maryland) | 3,626.45 mi (5,836.21 km) |
| Portimao to Kettering (Ohio) | 3,969.42 mi (6,388.16 km) |
| Portimao to Kewanee (Illinois) | 4,201.40 mi (6,761.49 km) |
| Portimao to Key Biscayne (Florida) | 4,199.51 mi (6,758.46 km) |
| Portimao to Key Largo (Florida) | 4,232.51 mi (6,811.57 km) |
| Portimao to Key West (Florida) | 4,325.86 mi (6,961.80 km) |
| Portimao to Keystone (Florida) | 4,246.79 mi (6,834.54 km) |
| Portimao to Kihei (Hawaii) | 7,923.22 mi (12,751.19 km) |
