| Sintra to Worthington (Ohio) | 3,809.85 mi (6,131.37 km) |
| Sintra to Wright (Florida) | 4,300.50 mi (6,920.98 km) |
| Sintra to Wyandanch (New York) | 3,322.17 mi (5,346.52 km) |
| Sintra to Wyandotte (Michigan) | 3,757.59 mi (6,047.25 km) |
| Sintra to Wylie (Texas) | 4,699.50 mi (7,563.11 km) |
| Sintra to Wyndham (Virginia) | 3,611.73 mi (5,812.53 km) |
| Sintra to Wyoming (Michigan) | 3,858.12 mi (6,209.04 km) |
| Sintra to Wyomissing (Pennsylvania) | 3,460.51 mi (5,569.15 km) |
| Sintra to Xenia (Ohio) | 3,866.08 mi (6,221.85 km) |
| Sintra to Yakima (Washington) | 5,169.46 mi (8,319.45 km) |
| Sintra to Yankton (South Dakota) | 4,386.80 mi (7,059.87 km) |
| Sintra to Yauco (Puerto Rico) | 3,708.17 mi (5,967.73 km) |
| Sintra to Yazoo City (Mississippi) | 4,405.13 mi (7,089.38 km) |
| Sintra to Yeadon (Pennsylvania) | 3,435.13 mi (5,528.31 km) |
| Sintra to Yelm (Washington) | 5,226.82 mi (8,411.75 km) |
