| Flagstaff to Spello | 5,996.18 mi (9,649.93 km) |
| Flagstaff to Spilamberto | 5,861.84 mi (9,433.71 km) |
| Flagstaff to Spilimbergo | 5,843.50 mi (9,404.21 km) |
| Flagstaff to Spinea | 5,851.99 mi (9,417.87 km) |
| Flagstaff to Spoleto | 6,008.47 mi (9,669.70 km) |
| Flagstaff to Spoltore | 6,073.48 mi (9,774.32 km) |
| Flagstaff to Spresiano | 5,840.27 mi (9,399.01 km) |
| Flagstaff to Squinzano | 6,310.93 mi (10,156.47 km) |
| Flagstaff to Statte | 6,275.53 mi (10,099.49 km) |
| Flagstaff to Stezzano | 5,760.10 mi (9,269.99 km) |
| Flagstaff to Strada | 5,919.65 mi (9,526.76 km) |
| Flagstaff to Stradella | 5,775.87 mi (9,295.37 km) |
| Flagstaff to Striano | 6,172.94 mi (9,934.39 km) |
| Flagstaff to Subiaco | 6,064.75 mi (9,760.27 km) |
| Flagstaff to Sulmona | 6,087.23 mi (9,796.46 km) |
