| Alenquer to Smyrna (Delaware) | 3,480.64 mi (5,601.55 km) |
| Alenquer to Smyrna (Georgia) | 4,088.20 mi (6,579.33 km) |
| Alenquer to Smyrna (Tennessee) | 4,118.30 mi (6,627.76 km) |
| Alenquer to Snellville (Georgia) | 4,062.65 mi (6,538.20 km) |
| Alenquer to Snoqualmie (Washington) | 5,171.85 mi (8,323.29 km) |
| Alenquer to Snyder (Texas) | 4,933.65 mi (7,939.93 km) |
| Alenquer to Socastee (South Carolina) | 3,814.84 mi (6,139.39 km) |
| Alenquer to Socorro (Texas) | 5,229.93 mi (8,416.76 km) |
| Alenquer to Soddy-Daisy (Tennessee) | 4,074.88 mi (6,557.89 km) |
| Alenquer to Solana Beach (California) | 5,665.58 mi (9,117.87 km) |
| Alenquer to Soledad (California) | 5,674.67 mi (9,132.50 km) |
| Alenquer to Solon (Ohio) | 3,708.09 mi (5,967.59 km) |
| Alenquer to Somers Point (New Jersey) | 3,430.41 mi (5,520.72 km) |
| Alenquer to Somerset (Kentucky) | 3,988.30 mi (6,418.54 km) |
| Alenquer to Somerset (New Jersey) | 3,395.18 mi (5,464.01 km) |
