| Estoril to Carson (California) | 5,667.62 mi (9,121.16 km) |
| Estoril to Carson City (Nevada) | 5,484.41 mi (8,826.30 km) |
| Estoril to Carteret (New Jersey) | 3,370.84 mi (5,424.84 km) |
| Estoril to Cartersville (Georgia) | 4,081.83 mi (6,569.06 km) |
| Estoril to Carthage (Missouri) | 4,447.11 mi (7,156.93 km) |
| Estoril to Cary (Illinois) | 3,998.20 mi (6,434.48 km) |
| Estoril to Cary (North Carolina) | 3,729.30 mi (6,001.73 km) |
| Estoril to Casa de Oro-Mount Helix (California) | 5,661.16 mi (9,110.75 km) |
| Estoril to Casa Grande (Arizona) | 5,423.61 mi (8,728.45 km) |
| Estoril to Casas Adobes (Arizona) | 5,414.00 mi (8,712.99 km) |
| Estoril to Cascades (Virginia) | 3,565.69 mi (5,738.42 km) |
| Estoril to Casper (Wyoming) | 4,776.52 mi (7,687.07 km) |
| Estoril to Casselberry (Florida) | 4,088.70 mi (6,580.12 km) |
| Estoril to Castaic (California) | 5,653.93 mi (9,099.12 km) |
| Estoril to Castle Pines (Colorado) | 4,845.17 mi (7,797.55 km) |
