| Estoril to Clarkston (Georgia) | 4,065.12 mi (6,542.17 km) |
| Estoril to Clarksville (Indiana) | 3,997.59 mi (6,433.50 km) |
| Estoril to Clarksville (Tennessee) | 4,129.72 mi (6,646.14 km) |
| Estoril to Clawson (Michigan) | 3,751.34 mi (6,037.19 km) |
| Estoril to Clay (Alabama) | 4,188.30 mi (6,740.42 km) |
| Estoril to Clayton (California) | 5,627.85 mi (9,057.15 km) |
| Estoril to Clayton (Missouri) | 4,206.80 mi (6,770.18 km) |
| Estoril to Clayton (North Carolina) | 3,714.20 mi (5,977.43 km) |
| Estoril to Clayton (Ohio) | 3,881.80 mi (6,247.15 km) |
| Estoril to Clearfield (Utah) | 5,084.41 mi (8,182.57 km) |
| Estoril to Clearlake (California) | 5,607.22 mi (9,023.95 km) |
| Estoril to Clearwater (Florida) | 4,188.15 mi (6,740.18 km) |
| Estoril to Cleburne (Texas) | 4,771.26 mi (7,678.59 km) |
| Estoril to Clemmons (North Carolina) | 3,800.92 mi (6,116.99 km) |
| Estoril to Clemson (South Carolina) | 3,964.86 mi (6,380.83 km) |
