| New Port Richey to Sinop | 6,174.99 mi (9,937.69 km) |
| New Port Richey to Siran | 6,414.99 mi (10,323.93 km) |
| New Port Richey to Sirnak | 6,671.75 mi (10,737.15 km) |
| New Port Richey to Sirvan | 6,628.84 mi (10,668.08 km) |
| New Port Richey to Sivas | 6,350.19 mi (10,219.65 km) |
| New Port Richey to Sivasli | 6,092.76 mi (9,805.35 km) |
| New Port Richey to Siverek | 6,534.28 mi (10,515.91 km) |
| New Port Richey to Sivrice | 6,502.18 mi (10,464.25 km) |
| New Port Richey to Sivrihisar | 6,134.13 mi (9,871.93 km) |
| New Port Richey to Sogut | 6,052.76 mi (9,740.97 km) |
| New Port Richey to Sogutlu | 6,030.04 mi (9,704.41 km) |
| New Port Richey to Soke | 6,020.10 mi (9,688.41 km) |
| New Port Richey to Solhan | 6,547.70 mi (10,537.50 km) |
| New Port Richey to Soma | 5,973.28 mi (9,613.07 km) |
| New Port Richey to Sorgun | 6,272.50 mi (10,094.61 km) |
