| Sintra to Yonkers (New York) | 3,342.35 mi (5,379.00 km) |
| Sintra to Yorba Linda (California) | 5,640.94 mi (9,078.22 km) |
| Sintra to York (Pennsylvania) | 3,507.19 mi (5,644.28 km) |
| Sintra to Yorktown (Indiana) | 3,926.74 mi (6,319.48 km) |
| Sintra to Yorkville (Illinois) | 4,021.24 mi (6,471.56 km) |
| Sintra to Youngstown (Ohio) | 3,667.95 mi (5,903.00 km) |
| Sintra to Youngsville (Louisiana) | 4,585.19 mi (7,379.14 km) |
| Sintra to Ypsilanti (Michigan) | 3,778.58 mi (6,081.04 km) |
| Sintra to Yuba City (California) | 5,555.84 mi (8,941.25 km) |
| Sintra to Yucaipa (California) | 5,603.04 mi (9,017.21 km) |
| Sintra to Yucca Valley (California) | 5,572.17 mi (8,967.53 km) |
| Sintra to Yukon (Oklahoma) | 4,666.62 mi (7,510.20 km) |
| Sintra to Yulee (Florida) | 4,032.61 mi (6,489.86 km) |
| Sintra to Yuma (Arizona) | 5,558.69 mi (8,945.85 km) |
| Sintra to Zachary (Louisiana) | 4,522.23 mi (7,277.83 km) |
