| Alpena to Spello | 4,468.56 mi (7,191.45 km) |
| Alpena to Spilamberto | 4,337.57 mi (6,980.65 km) |
| Alpena to Spilimbergo | 4,341.79 mi (6,987.44 km) |
| Alpena to Spinea | 4,341.18 mi (6,986.45 km) |
| Alpena to Spoleto | 4,479.20 mi (7,208.58 km) |
| Alpena to Spoltore | 4,549.52 mi (7,321.74 km) |
| Alpena to Spresiano | 4,332.31 mi (6,972.18 km) |
| Alpena to Squinzano | 4,793.90 mi (7,715.04 km) |
| Alpena to Statte | 4,754.59 mi (7,651.77 km) |
| Alpena to Stezzano | 4,237.95 mi (6,820.31 km) |
| Alpena to Strada | 4,389.66 mi (7,064.47 km) |
| Alpena to Stradella | 4,247.54 mi (6,835.76 km) |
| Alpena to Striano | 4,639.50 mi (7,466.56 km) |
| Alpena to Subiaco | 4,531.64 mi (7,292.97 km) |
| Alpena to Sulmona | 4,559.18 mi (7,337.30 km) |
