| Boppard to Santander | 711.84 mi (1,145.60 km) |
| Boppard to Santany | 782.37 mi (1,259.11 km) |
| Boppard to Santiago de Compostela | 916.69 mi (1,475.26 km) |
| Boppard to Santiago del Teide | 1,981.92 mi (3,189.59 km) |
| Boppard to Santiponce | 1,111.37 mi (1,788.58 km) |
| Boppard to Santomera | 942.18 mi (1,516.29 km) |
| Boppard to Santona | 700.67 mi (1,127.62 km) |
| Boppard to Santurce-Antiguo | 691.53 mi (1,112.92 km) |
| Boppard to Sarria | 877.22 mi (1,411.74 km) |
| Boppard to Sauzal | 1,958.63 mi (3,152.12 km) |
| Boppard to Sedavi | 841.48 mi (1,354.23 km) |
| Boppard to Segorbe | 817.37 mi (1,315.43 km) |
| Boppard to Segovia | 853.50 mi (1,373.58 km) |
| Boppard to Senmanat | 650.48 mi (1,046.85 km) |
| Boppard to Sesena | 887.92 mi (1,428.97 km) |
