| Upper Grand Lagoon to Sinop | 6,191.78 mi (9,964.71 km) |
| Upper Grand Lagoon to Siran | 6,429.32 mi (10,346.99 km) |
| Upper Grand Lagoon to Sirnak | 6,686.50 mi (10,760.89 km) |
| Upper Grand Lagoon to Sirvan | 6,643.03 mi (10,690.92 km) |
| Upper Grand Lagoon to Sivas | 6,370.08 mi (10,251.65 km) |
| Upper Grand Lagoon to Sivasli | 6,130.55 mi (9,866.16 km) |
| Upper Grand Lagoon to Siverek | 6,555.22 mi (10,549.60 km) |
| Upper Grand Lagoon to Sivrice | 6,521.13 mi (10,494.74 km) |
| Upper Grand Lagoon to Sivrihisar | 6,165.51 mi (9,922.43 km) |
| Upper Grand Lagoon to Sogut | 6,084.87 mi (9,792.65 km) |
| Upper Grand Lagoon to Sogutlu | 6,058.88 mi (9,750.82 km) |
| Upper Grand Lagoon to Soke | 6,064.27 mi (9,759.50 km) |
| Upper Grand Lagoon to Solhan | 6,561.46 mi (10,559.65 km) |
| Upper Grand Lagoon to Soma | 6,012.59 mi (9,676.32 km) |
| Upper Grand Lagoon to Sorgun | 6,295.81 mi (10,132.13 km) |
