| Prudhoe to Sinop | 1,885.12 mi (3,033.81 km) |
| Prudhoe to Siran | 2,123.97 mi (3,418.20 km) |
| Prudhoe to Sirnak | 2,380.99 mi (3,831.83 km) |
| Prudhoe to Sirvan | 2,337.85 mi (3,762.40 km) |
| Prudhoe to Sivas | 2,063.13 mi (3,320.28 km) |
| Prudhoe to Sivasli | 1,851.84 mi (2,980.24 km) |
| Prudhoe to Siverek | 2,248.37 mi (3,618.40 km) |
| Prudhoe to Sivrice | 2,214.15 mi (3,563.33 km) |
| Prudhoe to Sivrihisar | 1,870.65 mi (3,010.52 km) |
| Prudhoe to Sogut | 1,792.31 mi (2,884.44 km) |
| Prudhoe to Sogutlu | 1,760.30 mi (2,832.94 km) |
| Prudhoe to Soke | 1,809.80 mi (2,912.59 km) |
| Prudhoe to Solhan | 2,256.55 mi (3,631.57 km) |
| Prudhoe to Soma | 1,741.24 mi (2,802.26 km) |
| Prudhoe to Sorgun | 1,990.14 mi (3,202.83 km) |
