| Middlesex to Hutchinson (Kansas) | 1,259.28 mi (2,026.62 km) |
| Middlesex to Hutchinson (Minnesota) | 1,048.75 mi (1,687.80 km) |
| Middlesex to Hutto (Texas) | 1,462.79 mi (2,354.13 km) |
| Middlesex to Hyattsville (Maryland) | 171.46 mi (275.94 km) |
| Middlesex to Hybla Valley (Virginia) | 186.44 mi (300.04 km) |
| Middlesex to Idaho Falls (Idaho) | 1,920.44 mi (3,090.65 km) |
| Middlesex to Idylwood (Virginia) | 184.92 mi (297.60 km) |
| Middlesex to Ilchester (Maryland) | 152.36 mi (245.21 km) |
| Middlesex to Immokalee (Florida) | 1,054.95 mi (1,697.78 km) |
| Middlesex to Imperial (California) | 2,314.94 mi (3,725.54 km) |
| Middlesex to Imperial Beach (California) | 2,404.10 mi (3,869.02 km) |
| Middlesex to Independence (Kentucky) | 545.01 mi (877.10 km) |
| Middlesex to Independence (Missouri) | 1,055.92 mi (1,699.35 km) |
| Middlesex to Indian Trail (North Carolina) | 506.77 mi (815.56 km) |
| Middlesex to Indiana (Pennsylvania) | 244.16 mi (392.93 km) |
