| Estoril to Kenosha (Wisconsin) | 3,970.06 mi (6,389.19 km) |
| Estoril to Kent (Ohio) | 3,703.44 mi (5,960.11 km) |
| Estoril to Kent (Washington) | 5,196.27 mi (8,362.58 km) |
| Estoril to Kentwood (Michigan) | 3,855.87 mi (6,205.43 km) |
| Estoril to Kerman (California) | 5,609.59 mi (9,027.76 km) |
| Estoril to Kernersville (North Carolina) | 3,783.49 mi (6,088.94 km) |
| Estoril to Kerrville (Texas) | 4,944.92 mi (7,958.09 km) |
| Estoril to Kettering (Maryland) | 3,540.17 mi (5,697.36 km) |
| Estoril to Kettering (Ohio) | 3,878.19 mi (6,241.34 km) |
| Estoril to Kewanee (Illinois) | 4,105.37 mi (6,606.95 km) |
| Estoril to Key Biscayne (Florida) | 4,133.10 mi (6,651.58 km) |
| Estoril to Key Largo (Florida) | 4,166.83 mi (6,705.87 km) |
| Estoril to Key West (Florida) | 4,259.86 mi (6,855.58 km) |
| Estoril to Keystone (Florida) | 4,174.26 mi (6,717.82 km) |
| Estoril to Kihei (Hawaii) | 7,806.99 mi (12,564.14 km) |
