| Cascais to Spout Springs (North Carolina) | 3,754.51 mi (6,042.29 km) |
| Cascais to Spring (Texas) | 4,757.48 mi (7,656.43 km) |
| Cascais to Spring Creek (Nevada) | 5,245.41 mi (8,441.67 km) |
| Cascais to Spring Hill (Florida) | 4,157.42 mi (6,690.72 km) |
| Cascais to Spring Hill (Tennessee) | 4,134.64 mi (6,654.06 km) |
| Cascais to Spring Lake (North Carolina) | 3,755.28 mi (6,043.54 km) |
| Cascais to Spring Valley (California) | 5,662.34 mi (9,112.65 km) |
| Cascais to Spring Valley (Nevada) | 5,436.83 mi (8,749.74 km) |
| Cascais to Spring Valley (New York) | 3,348.76 mi (5,389.31 km) |
| Cascais to Springboro (Ohio) | 3,885.46 mi (6,253.05 km) |
| Cascais to Springdale (Arkansas) | 4,472.26 mi (7,197.40 km) |
| Cascais to Springdale (New Jersey) | 3,423.98 mi (5,510.36 km) |
| Cascais to Springdale (Ohio) | 3,905.07 mi (6,284.60 km) |
| Cascais to Springfield (Illinois) | 4,137.85 mi (6,659.22 km) |
| Cascais to Springfield (Massachusetts) | 3,252.66 mi (5,234.66 km) |
