| Knightdale to Sinop | 5,622.97 mi (9,049.30 km) |
| Knightdale to Siran | 5,861.25 mi (9,432.77 km) |
| Knightdale to Sirnak | 6,118.40 mi (9,846.61 km) |
| Knightdale to Sirvan | 6,075.07 mi (9,776.87 km) |
| Knightdale to Sivas | 5,800.59 mi (9,335.14 km) |
| Knightdale to Sivasli | 5,558.90 mi (8,946.18 km) |
| Knightdale to Siverek | 5,985.55 mi (9,632.81 km) |
| Knightdale to Sivrice | 5,951.89 mi (9,578.64 km) |
| Knightdale to Sivrihisar | 5,594.19 mi (9,002.98 km) |
| Knightdale to Sogut | 5,513.48 mi (8,873.09 km) |
| Knightdale to Sogutlu | 5,487.80 mi (8,831.76 km) |
| Knightdale to Soke | 5,492.78 mi (8,839.78 km) |
| Knightdale to Solhan | 5,993.59 mi (9,645.76 km) |
| Knightdale to Soma | 5,440.93 mi (8,756.33 km) |
| Knightdale to Sorgun | 5,725.61 mi (9,214.48 km) |
