| Sintra to Winder (Georgia) | 4,031.26 mi (6,487.68 km) |
| Sintra to Windsor (California) | 5,629.80 mi (9,060.29 km) |
| Sintra to Windsor (Colorado) | 4,804.84 mi (7,732.65 km) |
| Sintra to Winfield (Kansas) | 4,563.93 mi (7,344.94 km) |
| Sintra to Winnetka (Illinois) | 3,974.95 mi (6,397.06 km) |
| Sintra to Winona (Minnesota) | 4,095.55 mi (6,591.15 km) |
| Sintra to Winston-Salem (North Carolina) | 3,790.64 mi (6,100.45 km) |
| Sintra to Winter Garden (Florida) | 4,106.26 mi (6,608.38 km) |
| Sintra to Winter Gardens (California) | 5,652.55 mi (9,096.90 km) |
| Sintra to Winter Haven (Florida) | 4,130.40 mi (6,647.24 km) |
| Sintra to Winter Park (Florida) | 4,091.06 mi (6,583.92 km) |
| Sintra to Winter Springs (Florida) | 4,084.05 mi (6,572.64 km) |
| Sintra to Winterville (North Carolina) | 3,663.03 mi (5,895.07 km) |
| Sintra to Winton (California) | 5,597.40 mi (9,008.15 km) |
| Sintra to Wisconsin Rapids (Wisconsin) | 4,003.05 mi (6,442.29 km) |
