| Redruth to Sinop | 1,987.59 mi (3,198.72 km) |
| Redruth to Siran | 2,230.35 mi (3,589.40 km) |
| Redruth to Sirnak | 2,482.75 mi (3,995.61 km) |
| Redruth to Sirvan | 2,441.63 mi (3,929.42 km) |
| Redruth to Sivas | 2,153.90 mi (3,466.37 km) |
| Redruth to Sivasli | 1,883.32 mi (3,030.92 km) |
| Redruth to Siverek | 2,334.70 mi (3,757.33 km) |
| Redruth to Sivrice | 2,306.32 mi (3,711.66 km) |
| Redruth to Sivrihisar | 1,924.76 mi (3,097.60 km) |
| Redruth to Sogut | 1,843.14 mi (2,966.24 km) |
| Redruth to Sogutlu | 1,822.65 mi (2,933.28 km) |
| Redruth to Soke | 1,816.88 mi (2,923.99 km) |
| Redruth to Solhan | 2,362.58 mi (3,802.21 km) |
| Redruth to Soma | 1,764.70 mi (2,840.01 km) |
| Redruth to Sorgun | 2,070.89 mi (3,332.77 km) |
