| Povoa de Varzim to Southern Pines (North Carolina) | 3,748.43 mi (6,032.51 km) |
| Povoa de Varzim to Southfield (Michigan) | 3,699.08 mi (5,953.10 km) |
| Povoa de Varzim to Southgate (Michigan) | 3,704.82 mi (5,962.32 km) |
| Povoa de Varzim to Southlake (Texas) | 4,686.89 mi (7,542.82 km) |
| Povoa de Varzim to Spanaway (Washington) | 5,098.12 mi (8,204.63 km) |
| Povoa de Varzim to Spanish Fork (Utah) | 5,020.62 mi (8,079.90 km) |
| Povoa de Varzim to Spanish Lake (Missouri) | 4,140.58 mi (6,663.62 km) |
| Povoa de Varzim to Spanish Springs (Nevada) | 5,357.67 mi (8,622.34 km) |
| Povoa de Varzim to Sparks (Nevada) | 5,363.46 mi (8,631.65 km) |
| Povoa de Varzim to Spartanburg (South Carolina) | 3,880.76 mi (6,245.48 km) |
| Povoa de Varzim to Spearfish (South Dakota) | 4,519.49 mi (7,273.41 km) |
| Povoa de Varzim to Speedway (Indiana) | 3,922.45 mi (6,312.57 km) |
| Povoa de Varzim to Spencer (Iowa) | 4,206.96 mi (6,770.44 km) |
| Povoa de Varzim to Spokane (Washington) | 4,900.04 mi (7,885.85 km) |
| Povoa de Varzim to Spokane Valley (Washington) | 4,893.30 mi (7,875.00 km) |
