| Alpena to Santa Ursula | 3,768.01 mi (6,064.02 km) |
| Alpena to Santander | 3,772.63 mi (6,071.46 km) |
| Alpena to Santany | 4,228.99 mi (6,805.89 km) |
| Alpena to Santiago de Compostela | 3,588.08 mi (5,774.46 km) |
| Alpena to Santiago del Teide | 3,757.75 mi (6,047.52 km) |
| Alpena to Santiponce | 3,899.99 mi (6,276.43 km) |
| Alpena to Santomera | 4,099.16 mi (6,596.96 km) |
| Alpena to Santona | 3,788.24 mi (6,096.59 km) |
| Alpena to Santurce-Antiguo | 3,810.47 mi (6,132.36 km) |
| Alpena to Sarria | 3,640.73 mi (5,859.18 km) |
| Alpena to Sauzal | 3,768.45 mi (6,064.73 km) |
| Alpena to Sedavi | 4,073.84 mi (6,556.21 km) |
| Alpena to Segorbe | 4,052.45 mi (6,521.78 km) |
| Alpena to Segovia | 3,851.73 mi (6,198.76 km) |
| Alpena to Senmanat | 4,095.67 mi (6,591.35 km) |
