| Idanha-a-Nova to Santa Venerina | 1,210.99 mi (1,948.91 km) |
| Idanha-a-Nova to Santeramo in Colle | 1,261.12 mi (2,029.58 km) |
| Idanha-a-Nova to Santo Stefano di Magra | 925.51 mi (1,489.46 km) |
| Idanha-a-Nova to Santo Stino di Livenza | 1,082.71 mi (1,742.46 km) |
| Idanha-a-Nova to Sarezzo | 966.08 mi (1,554.76 km) |
| Idanha-a-Nova to Sarno | 1,148.95 mi (1,849.06 km) |
| Idanha-a-Nova to Saronno | 912.38 mi (1,468.34 km) |
| Idanha-a-Nova to Sarzana | 926.96 mi (1,491.79 km) |
| Idanha-a-Nova to Sassari | 832.68 mi (1,340.06 km) |
| Idanha-a-Nova to Sasso Marconi | 993.51 mi (1,598.90 km) |
| Idanha-a-Nova to Sassuolo | 973.38 mi (1,566.51 km) |
| Idanha-a-Nova to Sava | 1,305.70 mi (2,101.32 km) |
| Idanha-a-Nova to Saviano | 1,143.27 mi (1,839.92 km) |
| Idanha-a-Nova to Savigliano | 825.74 mi (1,328.90 km) |
| Idanha-a-Nova to Savignano sul Panaro | 984.26 mi (1,584.01 km) |
