| Povoa de Varzim to Storm Lake (Iowa) | 4,226.80 mi (6,802.37 km) |
| Povoa de Varzim to Storrs (Connecticut) | 3,202.11 mi (5,153.29 km) |
| Povoa de Varzim to Stoughton (Wisconsin) | 3,954.35 mi (6,363.91 km) |
| Povoa de Varzim to Stow (Ohio) | 3,653.98 mi (5,880.52 km) |
| Povoa de Varzim to Streamwood (Illinois) | 3,937.16 mi (6,336.25 km) |
| Povoa de Varzim to Streator (Illinois) | 3,996.52 mi (6,431.78 km) |
| Povoa de Varzim to Streetsboro (Ohio) | 3,647.92 mi (5,870.77 km) |
| Povoa de Varzim to Strongsville (Ohio) | 3,668.36 mi (5,903.65 km) |
| Povoa de Varzim to Stuart (Florida) | 4,080.97 mi (6,567.69 km) |
| Povoa de Varzim to Stuarts Draft (Virginia) | 3,637.84 mi (5,854.54 km) |
| Povoa de Varzim to Sturgis (Michigan) | 3,818.89 mi (6,145.90 km) |
| Povoa de Varzim to Suamico (Wisconsin) | 3,848.55 mi (6,193.65 km) |
| Povoa de Varzim to Sudley (Virginia) | 3,539.50 mi (5,696.27 km) |
| Povoa de Varzim to Suffern (New York) | 3,310.92 mi (5,328.41 km) |
| Povoa de Varzim to Suffolk (Virginia) | 3,563.06 mi (5,734.20 km) |
