| Federal Way to Sinop | 6,112.32 mi (9,836.83 km) |
| Federal Way to Siran | 6,284.79 mi (10,114.40 km) |
| Federal Way to Sirnak | 6,500.90 mi (10,462.18 km) |
| Federal Way to Sirvan | 6,459.72 mi (10,395.92 km) |
| Federal Way to Sivas | 6,288.95 mi (10,121.09 km) |
| Federal Way to Sivasli | 6,263.24 mi (10,079.70 km) |
| Federal Way to Siverek | 6,451.60 mi (10,382.85 km) |
| Federal Way to Sivrice | 6,404.52 mi (10,307.08 km) |
| Federal Way to Sivrihisar | 6,230.42 mi (10,026.90 km) |
| Federal Way to Sogut | 6,170.98 mi (9,931.24 km) |
| Federal Way to Sogutlu | 6,118.06 mi (9,846.06 km) |
| Federal Way to Soke | 6,270.24 mi (10,090.98 km) |
| Federal Way to Solhan | 6,388.40 mi (10,281.14 km) |
| Federal Way to Soma | 6,180.52 mi (9,946.58 km) |
| Federal Way to Sorgun | 6,260.48 mi (10,075.26 km) |
