| Grefrath to Santander | 720.53 mi (1,159.58 km) |
| Grefrath to Santany | 842.24 mi (1,355.45 km) |
| Grefrath to Santiago de Compostela | 908.90 mi (1,462.73 km) |
| Grefrath to Santiago del Teide | 1,993.12 mi (3,207.61 km) |
| Grefrath to Santiponce | 1,135.15 mi (1,826.85 km) |
| Grefrath to Santomera | 985.16 mi (1,585.46 km) |
| Grefrath to Santona | 711.22 mi (1,144.60 km) |
| Grefrath to Santurce-Antiguo | 704.94 mi (1,134.49 km) |
| Grefrath to Sarria | 874.06 mi (1,406.67 km) |
| Grefrath to Sauzal | 1,970.46 mi (3,171.15 km) |
| Grefrath to Sedavi | 884.30 mi (1,423.14 km) |
| Grefrath to Segorbe | 858.55 mi (1,381.70 km) |
| Grefrath to Segovia | 873.27 mi (1,405.39 km) |
| Grefrath to Senmanat | 700.97 mi (1,128.10 km) |
| Grefrath to Sesena | 912.91 mi (1,469.19 km) |
