| Frederick to Spello | 4,448.87 mi (7,159.76 km) |
| Frederick to Spilamberto | 4,323.69 mi (6,958.31 km) |
| Frederick to Spilimbergo | 4,347.93 mi (6,997.31 km) |
| Frederick to Spinea | 4,339.45 mi (6,983.66 km) |
| Frederick to Spoleto | 4,457.75 mi (7,174.05 km) |
| Frederick to Spoltore | 4,531.66 mi (7,293.00 km) |
| Frederick to Spresiano | 4,333.26 mi (6,973.72 km) |
| Frederick to Squinzano | 4,777.57 mi (7,688.76 km) |
| Frederick to Statte | 4,735.52 mi (7,621.08 km) |
| Frederick to Stezzano | 4,228.11 mi (6,804.48 km) |
| Frederick to Strada | 4,369.28 mi (7,031.68 km) |
| Frederick to Stradella | 4,231.67 mi (6,810.21 km) |
| Frederick to Striano | 4,610.96 mi (7,420.63 km) |
| Frederick to Subiaco | 4,505.47 mi (7,250.86 km) |
| Frederick to Sulmona | 4,537.31 mi (7,302.10 km) |
