| Estoril to Iselin (New Jersey) | 3,375.57 mi (5,432.46 km) |
| Estoril to Isla Vista (California) | 5,709.04 mi (9,187.81 km) |
| Estoril to Issaquah (Washington) | 5,183.35 mi (8,341.79 km) |
| Estoril to Ithaca (New York) | 3,437.84 mi (5,532.67 km) |
| Estoril to Ives Estates (Florida) | 4,124.22 mi (6,637.28 km) |
| Estoril to Jackson (Michigan) | 3,818.13 mi (6,144.69 km) |
| Estoril to Jackson (Mississippi) | 4,416.74 mi (7,108.06 km) |
| Estoril to Jackson (Missouri) | 4,215.70 mi (6,784.51 km) |
| Estoril to Jackson (Tennessee) | 4,233.18 mi (6,812.65 km) |
| Estoril to Jackson (Wyoming) | 4,935.20 mi (7,942.43 km) |
| Estoril to Jacksonville (Alabama) | 4,141.56 mi (6,665.19 km) |
| Estoril to Jacksonville (Arkansas) | 4,421.06 mi (7,115.00 km) |
| Estoril to Jacksonville (Florida) | 4,049.70 mi (6,517.36 km) |
| Estoril to Jacksonville (Illinois) | 4,167.15 mi (6,706.38 km) |
| Estoril to Jacksonville (North Carolina) | 3,688.06 mi (5,935.37 km) |
