| Ronkonkoma to Port Charlotte (Florida) | 1,083.18 mi (1,743.21 km) |
| Ronkonkoma to Port Chester (New York) | 31.61 mi (50.86 km) |
| Ronkonkoma to Port Hueneme (California) | 2,538.09 mi (4,084.67 km) |
| Ronkonkoma to Port Huron (Michigan) | 501.82 mi (807.61 km) |
| Ronkonkoma to Port Lavaca (Texas) | 1,570.42 mi (2,527.35 km) |
| Ronkonkoma to Port Neches (Texas) | 1,385.51 mi (2,229.77 km) |
| Ronkonkoma to Port Orange (Florida) | 922.35 mi (1,484.38 km) |
| Ronkonkoma to Port Orchard (Washington) | 2,455.75 mi (3,952.14 km) |
| Ronkonkoma to Port Royal (South Carolina) | 718.72 mi (1,156.67 km) |
| Ronkonkoma to Port Salerno (Florida) | 1,025.88 mi (1,650.99 km) |
| Ronkonkoma to Port St. John (Florida) | 956.31 mi (1,539.04 km) |
| Ronkonkoma to Port St. Lucie (Florida) | 1,021.82 mi (1,644.46 km) |
| Ronkonkoma to Port Washington (New York) | 28.90 mi (46.52 km) |
| Ronkonkoma to Port Washington (Wisconsin) | 776.39 mi (1,249.47 km) |
| Ronkonkoma to Port Wentworth (Georgia) | 744.17 mi (1,197.63 km) |
