| Union City to Sinop | 6,750.07 mi (10,863.18 km) |
| Union City to Siran | 6,930.75 mi (11,153.96 km) |
| Union City to Sirnak | 7,152.69 mi (11,511.13 km) |
| Union City to Sirvan | 7,110.87 mi (11,443.84 km) |
| Union City to Sivas | 6,929.31 mi (11,151.64 km) |
| Union City to Sivasli | 6,879.97 mi (11,072.24 km) |
| Union City to Siverek | 7,096.15 mi (11,420.15 km) |
| Union City to Sivrice | 7,049.59 mi (11,345.23 km) |
| Union City to Sivrihisar | 6,854.68 mi (11,031.54 km) |
| Union City to Sogut | 6,791.78 mi (10,930.31 km) |
| Union City to Sogutlu | 6,741.12 mi (10,848.78 km) |
| Union City to Soke | 6,877.68 mi (11,068.56 km) |
| Union City to Solhan | 7,037.94 mi (11,326.47 km) |
| Union City to Soma | 6,791.32 mi (10,929.57 km) |
| Union City to Sorgun | 6,895.99 mi (11,098.02 km) |
