| Signa to Siran | 1,453.43 mi (2,339.08 km) |
| Signa to Sirnak | 1,688.74 mi (2,717.76 km) |
| Signa to Sirvan | 1,651.84 mi (2,658.38 km) |
| Signa to Sivas | 1,358.44 mi (2,186.20 km) |
| Signa to Sivasli | 1,031.29 mi (1,659.71 km) |
| Signa to Siverek | 1,525.95 mi (2,455.78 km) |
| Signa to Sivrice | 1,506.12 mi (2,423.87 km) |
| Signa to Sivrihisar | 1,094.13 mi (1,760.83 km) |
| Signa to Sogut | 1,012.62 mi (1,629.66 km) |
| Signa to Sogutlu | 1,007.28 mi (1,621.06 km) |
| Signa to Soke | 947.59 mi (1,524.99 km) |
| Signa to Solhan | 1,579.09 mi (2,541.29 km) |
| Signa to Soma | 909.62 mi (1,463.89 km) |
| Signa to Sorgun | 1,265.97 mi (2,037.37 km) |
| Signa to Suhut | 1,071.62 mi (1,724.60 km) |
