| Opwijk to Santeramo in Colle | 924.63 mi (1,488.05 km) |
| Opwijk to Santo Stefano di Magra | 540.38 mi (869.65 km) |
| Opwijk to Santo Stino di Livenza | 531.43 mi (855.26 km) |
| Opwijk to Sarezzo | 459.45 mi (739.42 km) |
| Opwijk to Sarno | 860.49 mi (1,384.82 km) |
| Opwijk to Saronno | 431.02 mi (693.66 km) |
| Opwijk to Sarzana | 544.40 mi (876.13 km) |
| Opwijk to Sassari | 737.85 mi (1,187.46 km) |
| Opwijk to Sasso Marconi | 559.72 mi (900.78 km) |
| Opwijk to Sassuolo | 538.50 mi (866.64 km) |
| Opwijk to Sava | 971.83 mi (1,564.01 km) |
| Opwijk to Saviano | 851.86 mi (1,370.94 km) |
| Opwijk to Savigliano | 464.74 mi (747.93 km) |
| Opwijk to Savignano sul Panaro | 549.06 mi (883.62 km) |
| Opwijk to Savignano sul Rubicone | 609.63 mi (981.10 km) |
