| Idanha-a-Nova to Security-Widefield (Colorado) | 4,913.23 mi (7,907.08 km) |
| Idanha-a-Nova to Sedalia (Missouri) | 4,401.57 mi (7,083.65 km) |
| Idanha-a-Nova to Sedro-Woolley (Washington) | 5,152.77 mi (8,292.58 km) |
| Idanha-a-Nova to Seguin (Texas) | 4,977.72 mi (8,010.87 km) |
| Idanha-a-Nova to Selden (New York) | 3,377.96 mi (5,436.30 km) |
| Idanha-a-Nova to Selma (Alabama) | 4,332.22 mi (6,972.03 km) |
| Idanha-a-Nova to Selma (California) | 5,631.20 mi (9,062.54 km) |
| Idanha-a-Nova to Selma (Texas) | 4,994.55 mi (8,037.95 km) |
| Idanha-a-Nova to Seminole (Florida) | 4,286.25 mi (6,898.06 km) |
| Idanha-a-Nova to Seven Hills (Ohio) | 3,776.03 mi (6,076.94 km) |
| Idanha-a-Nova to Seven Oaks (South Carolina) | 3,981.85 mi (6,408.17 km) |
| Idanha-a-Nova to Severn (Maryland) | 3,602.67 mi (5,797.94 km) |
| Idanha-a-Nova to Severna Park (Maryland) | 3,597.87 mi (5,790.22 km) |
| Idanha-a-Nova to Sevierville (Tennessee) | 4,039.87 mi (6,501.55 km) |
| Idanha-a-Nova to Seymour (Indiana) | 4,050.43 mi (6,518.53 km) |
