| Copperas Cove to Sinop | 6,568.15 mi (10,570.42 km) |
| Copperas Cove to Siran | 6,794.84 mi (10,935.23 km) |
| Copperas Cove to Sirnak | 7,048.74 mi (11,343.85 km) |
| Copperas Cove to Sirvan | 7,004.44 mi (11,272.56 km) |
| Copperas Cove to Sivas | 6,751.99 mi (10,866.28 km) |
| Copperas Cove to Sivasli | 6,564.23 mi (10,564.11 km) |
| Copperas Cove to Siverek | 6,936.91 mi (11,163.88 km) |
| Copperas Cove to Sivrice | 6,897.90 mi (11,101.10 km) |
| Copperas Cove to Sivrihisar | 6,581.79 mi (10,592.36 km) |
| Copperas Cove to Sogut | 6,504.35 mi (10,467.74 km) |
| Copperas Cove to Sogutlu | 6,470.05 mi (10,412.54 km) |
| Copperas Cove to Soke | 6,515.47 mi (10,485.64 km) |
| Copperas Cove to Solhan | 6,923.10 mi (11,141.66 km) |
| Copperas Cove to Soma | 6,451.98 mi (10,383.45 km) |
| Copperas Cove to Sorgun | 6,688.32 mi (10,763.81 km) |
