| Arouca to Siran | 2,456.00 mi (3,952.56 km) |
| Arouca to Sirnak | 2,685.99 mi (4,322.69 km) |
| Arouca to Sirvan | 2,650.56 mi (4,265.67 km) |
| Arouca to Sivas | 2,358.03 mi (3,794.88 km) |
| Arouca to Sivasli | 2,007.32 mi (3,230.47 km) |
| Arouca to Siverek | 2,519.62 mi (4,054.94 km) |
| Arouca to Sivrice | 2,503.04 mi (4,028.25 km) |
| Arouca to Sivrihisar | 2,084.02 mi (3,353.91 km) |
| Arouca to Sogut | 2,004.19 mi (3,225.43 km) |
| Arouca to Sogutlu | 2,005.13 mi (3,226.95 km) |
| Arouca to Soke | 1,904.60 mi (3,065.16 km) |
| Arouca to Solhan | 2,579.78 mi (4,151.76 km) |
| Arouca to Soma | 1,886.53 mi (3,036.08 km) |
| Arouca to Sorgun | 2,263.84 mi (3,643.30 km) |
| Arouca to Suhut | 2,050.93 mi (3,300.65 km) |
