| Idanha-a-Nova to Storm Lake (Iowa) | 4,349.53 mi (6,999.88 km) |
| Idanha-a-Nova to Storrs (Connecticut) | 3,316.07 mi (5,336.69 km) |
| Idanha-a-Nova to Stoughton (Wisconsin) | 4,075.47 mi (6,558.83 km) |
| Idanha-a-Nova to Stow (Ohio) | 3,770.75 mi (6,068.44 km) |
| Idanha-a-Nova to Streamwood (Illinois) | 4,057.18 mi (6,529.40 km) |
| Idanha-a-Nova to Streator (Illinois) | 4,115.99 mi (6,624.05 km) |
| Idanha-a-Nova to Streetsboro (Ohio) | 3,764.72 mi (6,058.74 km) |
| Idanha-a-Nova to Strongsville (Ohio) | 3,785.42 mi (6,092.04 km) |
| Idanha-a-Nova to Stuart (Florida) | 4,179.38 mi (6,726.05 km) |
| Idanha-a-Nova to Stuarts Draft (Virginia) | 3,749.91 mi (6,034.90 km) |
| Idanha-a-Nova to Sturgis (Michigan) | 3,937.75 mi (6,337.20 km) |
| Idanha-a-Nova to Suamico (Wisconsin) | 3,970.68 mi (6,390.19 km) |
| Idanha-a-Nova to Sudley (Virginia) | 3,651.79 mi (5,876.99 km) |
| Idanha-a-Nova to Suffern (New York) | 3,424.72 mi (5,511.55 km) |
| Idanha-a-Nova to Suffolk (Virginia) | 3,672.18 mi (5,909.80 km) |
