| Arcos de Valdevez to Smyrna (Delaware) | 3,438.03 mi (5,532.98 km) |
| Arcos de Valdevez to Smyrna (Georgia) | 4,051.89 mi (6,520.88 km) |
| Arcos de Valdevez to Smyrna (Tennessee) | 4,071.67 mi (6,552.73 km) |
| Arcos de Valdevez to Snellville (Georgia) | 4,027.21 mi (6,481.16 km) |
| Arcos de Valdevez to Snoqualmie (Washington) | 5,044.68 mi (8,118.63 km) |
| Arcos de Valdevez to Snyder (Texas) | 4,873.26 mi (7,842.76 km) |
| Arcos de Valdevez to Socastee (South Carolina) | 3,788.28 mi (6,096.65 km) |
| Arcos de Valdevez to Socorro (Texas) | 5,163.10 mi (8,309.20 km) |
| Arcos de Valdevez to Soddy-Daisy (Tennessee) | 4,032.79 mi (6,490.15 km) |
| Arcos de Valdevez to Solana Beach (California) | 5,576.05 mi (8,973.78 km) |
| Arcos de Valdevez to Soledad (California) | 5,570.68 mi (8,965.15 km) |
| Arcos de Valdevez to Solon (Ohio) | 3,649.72 mi (5,873.65 km) |
| Arcos de Valdevez to Somers Point (New Jersey) | 3,389.09 mi (5,454.21 km) |
| Arcos de Valdevez to Somerset (Kentucky) | 3,940.84 mi (6,342.17 km) |
| Arcos de Valdevez to Somerset (New Jersey) | 3,349.16 mi (5,389.96 km) |
