| Niel to Santander | 651.17 mi (1,047.96 km) |
| Niel to Santany | 814.79 mi (1,311.28 km) |
| Niel to Santiago de Compostela | 829.85 mi (1,335.52 km) |
| Niel to Santiago del Teide | 1,921.51 mi (3,092.38 km) |
| Niel to Santiponce | 1,073.26 mi (1,727.25 km) |
| Niel to Santomera | 939.44 mi (1,511.89 km) |
| Niel to Santona | 643.10 mi (1,034.98 km) |
| Niel to Santurce-Antiguo | 638.70 mi (1,027.89 km) |
| Niel to Sarria | 797.29 mi (1,283.12 km) |
| Niel to Sauzal | 1,899.23 mi (3,056.52 km) |
| Niel to Sedavi | 839.17 mi (1,350.52 km) |
| Niel to Segorbe | 812.18 mi (1,307.07 km) |
| Niel to Segovia | 809.94 mi (1,303.47 km) |
| Niel to Senmanat | 665.17 mi (1,070.48 km) |
| Niel to Sesena | 853.03 mi (1,372.82 km) |
