| Ronkonkoma to Hickory Hills (Illinois) | 765.34 mi (1,231.70 km) |
| Ronkonkoma to Hicksville (New York) | 21.10 mi (33.96 km) |
| Ronkonkoma to Hidalgo (Texas) | 1,758.10 mi (2,829.39 km) |
| Ronkonkoma to High Point (North Carolina) | 498.63 mi (802.46 km) |
| Ronkonkoma to Highland (California) | 2,433.19 mi (3,915.84 km) |
| Ronkonkoma to Highland (Illinois) | 888.99 mi (1,430.69 km) |
| Ronkonkoma to Highland (Indiana) | 746.38 mi (1,201.18 km) |
| Ronkonkoma to Highland (Utah) | 2,011.68 mi (3,237.49 km) |
| Ronkonkoma to Highland City (Florida) | 1,016.64 mi (1,636.13 km) |
| Ronkonkoma to Highland Park (Illinois) | 765.02 mi (1,231.17 km) |
| Ronkonkoma to Highland Park (New Jersey) | 71.48 mi (115.03 km) |
| Ronkonkoma to Highland Springs (Virginia) | 318.02 mi (511.81 km) |
| Ronkonkoma to Highland Village (Texas) | 1,419.42 mi (2,284.34 km) |
| Ronkonkoma to Highlands Ranch (Colorado) | 1,674.31 mi (2,694.54 km) |
| Ronkonkoma to Hillcrest (California) | 2,491.76 mi (4,010.10 km) |
