| Sintra to Wayne (Michigan) | 3,766.72 mi (6,061.94 km) |
| Sintra to Waynesboro (Pennsylvania) | 3,554.53 mi (5,720.46 km) |
| Sintra to Waynesboro (Virginia) | 3,665.51 mi (5,899.08 km) |
| Sintra to Weatherford (Oklahoma) | 4,709.54 mi (7,579.27 km) |
| Sintra to Weatherford (Texas) | 4,771.17 mi (7,678.46 km) |
| Sintra to Webb City (Missouri) | 4,451.68 mi (7,164.28 km) |
| Sintra to Webster (Texas) | 4,763.34 mi (7,665.86 km) |
| Sintra to Webster Groves (Missouri) | 4,207.23 mi (6,770.88 km) |
| Sintra to Weddington (North Carolina) | 3,847.67 mi (6,192.22 km) |
| Sintra to Weigelstown (Pennsylvania) | 3,511.55 mi (5,651.29 km) |
| Sintra to Weirton (West Virginia) | 3,682.73 mi (5,926.78 km) |
| Sintra to Wekiwa Springs (Florida) | 4,091.81 mi (6,585.14 km) |
| Sintra to Welby (Colorado) | 4,831.27 mi (7,775.17 km) |
| Sintra to Wellington (Colorado) | 4,799.62 mi (7,724.23 km) |
| Sintra to Wellington (Florida) | 4,103.61 mi (6,604.13 km) |
