| Ronkonkoma to Hutchinson (Kansas) | 1,331.45 mi (2,142.76 km) |
| Ronkonkoma to Hutchinson (Minnesota) | 1,109.38 mi (1,785.37 km) |
| Ronkonkoma to Hutto (Texas) | 1,535.91 mi (2,471.80 km) |
| Ronkonkoma to Hyattsville (Maryland) | 239.64 mi (385.66 km) |
| Ronkonkoma to Hybla Valley (Virginia) | 253.59 mi (408.11 km) |
| Ronkonkoma to Idaho Falls (Idaho) | 1,983.80 mi (3,192.61 km) |
| Ronkonkoma to Idylwood (Virginia) | 253.64 mi (408.20 km) |
| Ronkonkoma to Ilchester (Maryland) | 221.72 mi (356.83 km) |
| Ronkonkoma to Immokalee (Florida) | 1,100.97 mi (1,771.84 km) |
| Ronkonkoma to Imperial (California) | 2,386.98 mi (3,841.48 km) |
| Ronkonkoma to Imperial Beach (California) | 2,475.97 mi (3,984.69 km) |
| Ronkonkoma to Independence (Kentucky) | 618.67 mi (995.65 km) |
| Ronkonkoma to Independence (Missouri) | 1,127.79 mi (1,815.00 km) |
| Ronkonkoma to Indian Trail (North Carolina) | 569.57 mi (916.64 km) |
| Ronkonkoma to Indiana (Pennsylvania) | 316.02 mi (508.59 km) |
