| Ronkonkoma to South Plainfield (New Jersey) | 69.44 mi (111.75 km) |
| Ronkonkoma to South Portland (Maine) | 243.29 mi (391.54 km) |
| Ronkonkoma to South Riding (Virginia) | 266.90 mi (429.54 km) |
| Ronkonkoma to South River (New Jersey) | 70.25 mi (113.05 km) |
| Ronkonkoma to South Salt Lake (Utah) | 2,012.50 mi (3,238.80 km) |
| Ronkonkoma to South San Francisco (California) | 2,612.51 mi (4,204.42 km) |
| Ronkonkoma to South San Jose Hills (California) | 2,474.58 mi (3,982.46 km) |
| Ronkonkoma to South Sioux City (Nebraska) | 1,204.26 mi (1,938.07 km) |
| Ronkonkoma to South St. Paul (Minnesota) | 1,044.64 mi (1,681.19 km) |
| Ronkonkoma to South Valley (New Mexico) | 1,860.69 mi (2,994.50 km) |
| Ronkonkoma to South Venice (Florida) | 1,088.16 mi (1,751.23 km) |
| Ronkonkoma to South Whittier (California) | 2,483.45 mi (3,996.73 km) |
| Ronkonkoma to South Yarmouth (Massachusetts) | 163.26 mi (262.75 km) |
| Ronkonkoma to Southaven (Mississippi) | 1,002.00 mi (1,612.56 km) |
| Ronkonkoma to Southchase (Florida) | 977.61 mi (1,573.32 km) |
