| Opelousas to Sinop | 6,405.02 mi (10,307.88 km) |
| Opelousas to Siran | 6,637.82 mi (10,682.53 km) |
| Opelousas to Sirnak | 6,894.17 mi (11,095.10 km) |
| Opelousas to Sirvan | 6,850.14 mi (11,024.24 km) |
| Opelousas to Sivas | 6,586.66 mi (10,600.20 km) |
| Opelousas to Sivasli | 6,372.45 mi (10,255.47 km) |
| Opelousas to Siverek | 6,772.26 mi (10,898.90 km) |
| Opelousas to Sivrice | 6,735.59 mi (10,839.88 km) |
| Opelousas to Sivrihisar | 6,398.77 mi (10,297.83 km) |
| Opelousas to Sogut | 6,319.52 mi (10,170.28 km) |
| Opelousas to Sogutlu | 6,289.27 mi (10,121.60 km) |
| Opelousas to Soke | 6,314.78 mi (10,162.65 km) |
| Opelousas to Solhan | 6,768.43 mi (10,892.73 km) |
| Opelousas to Soma | 6,257.04 mi (10,069.73 km) |
| Opelousas to Sorgun | 6,517.50 mi (10,488.90 km) |
