| Cascais to Wichita (Kansas) | 4,569.43 mi (7,353.79 km) |
| Cascais to Wichita Falls (Texas) | 4,765.50 mi (7,669.33 km) |
| Cascais to Wickliffe (Ohio) | 3,695.67 mi (5,947.60 km) |
| Cascais to Wildomar (California) | 5,634.19 mi (9,067.34 km) |
| Cascais to Wildwood (Florida) | 4,119.76 mi (6,630.11 km) |
| Cascais to Wildwood (Missouri) | 4,224.31 mi (6,798.38 km) |
| Cascais to Wilkes-Barre (Pennsylvania) | 3,434.98 mi (5,528.07 km) |
| Cascais to Wilkinsburg (Pennsylvania) | 3,649.69 mi (5,873.61 km) |
| Cascais to Williamsburg (Virginia) | 3,579.14 mi (5,760.07 km) |
| Cascais to Williamsport (Pennsylvania) | 3,491.63 mi (5,619.23 km) |
| Cascais to Williamstown (New Jersey) | 3,428.99 mi (5,518.43 km) |
| Cascais to Willimantic (Connecticut) | 3,245.22 mi (5,222.68 km) |
| Cascais to Williston (North Dakota) | 4,468.93 mi (7,192.05 km) |
| Cascais to Willmar (Minnesota) | 4,214.23 mi (6,782.14 km) |
| Cascais to Willoughby (Ohio) | 3,691.75 mi (5,941.30 km) |
