| Ronkonkoma to Somersworth (New Hampshire) | 204.56 mi (329.21 km) |
| Ronkonkoma to Somerton (Arizona) | 2,348.53 mi (3,779.60 km) |
| Ronkonkoma to Somerville (Massachusetts) | 151.49 mi (243.81 km) |
| Ronkonkoma to Somerville (New Jersey) | 79.44 mi (127.85 km) |
| Ronkonkoma to Sonoma (California) | 2,599.36 mi (4,183.26 km) |
| Ronkonkoma to Soquel (California) | 2,604.53 mi (4,191.58 km) |
| Ronkonkoma to South Bend (Indiana) | 684.93 mi (1,102.29 km) |
| Ronkonkoma to South Bradenton (Florida) | 1,067.27 mi (1,717.60 km) |
| Ronkonkoma to South Burlington (Vermont) | 252.82 mi (406.88 km) |
| Ronkonkoma to South Charleston (West Virginia) | 487.85 mi (785.11 km) |
| Ronkonkoma to South Daytona (Florida) | 918.60 mi (1,478.34 km) |
| Ronkonkoma to South El Monte (California) | 2,481.05 mi (3,992.86 km) |
| Ronkonkoma to South Elgin (Illinois) | 790.45 mi (1,272.10 km) |
| Ronkonkoma to South Euclid (Ohio) | 439.57 mi (707.42 km) |
| Ronkonkoma to South Farmingdale (New York) | 17.91 mi (28.82 km) |
