| Estoril to Southern Pines (North Carolina) | 3,776.57 mi (6,077.81 km) |
| Estoril to Southfield (Michigan) | 3,758.12 mi (6,048.10 km) |
| Estoril to Southgate (Michigan) | 3,762.83 mi (6,055.69 km) |
| Estoril to Southlake (Texas) | 4,735.74 mi (7,621.44 km) |
| Estoril to Spanaway (Washington) | 5,217.05 mi (8,396.03 km) |
| Estoril to Spanish Fork (Utah) | 5,110.19 mi (8,224.05 km) |
| Estoril to Spanish Lake (Missouri) | 4,196.28 mi (6,753.27 km) |
| Estoril to Spanish Springs (Nevada) | 5,457.99 mi (8,783.79 km) |
| Estoril to Sparks (Nevada) | 5,463.68 mi (8,792.94 km) |
| Estoril to Spartanburg (South Carolina) | 3,911.86 mi (6,295.54 km) |
| Estoril to Spearfish (South Dakota) | 4,609.44 mi (7,418.18 km) |
| Estoril to Speedway (Indiana) | 3,976.04 mi (6,398.83 km) |
| Estoril to Spencer (Iowa) | 4,282.45 mi (6,891.94 km) |
| Estoril to Spokane (Washington) | 5,014.08 mi (8,069.38 km) |
| Estoril to Spokane Valley (Washington) | 5,007.09 mi (8,058.13 km) |
