| Holt to Hutchinson (Minnesota) | 514.80 mi (828.49 km) |
| Holt to Hutto (Texas) | 1,101.99 mi (1,773.49 km) |
| Holt to Hyattsville (Maryland) | 470.53 mi (757.24 km) |
| Holt to Hybla Valley (Virginia) | 473.64 mi (762.26 km) |
| Holt to Idaho Falls (Idaho) | 1,383.34 mi (2,226.27 km) |
| Holt to Idylwood (Virginia) | 462.48 mi (744.30 km) |
| Holt to Ilchester (Maryland) | 468.89 mi (754.61 km) |
| Holt to Immokalee (Florida) | 1,134.07 mi (1,825.11 km) |
| Holt to Imperial (California) | 1,813.52 mi (2,918.58 km) |
| Holt to Imperial Beach (California) | 1,900.20 mi (3,058.08 km) |
| Holt to Independence (Kentucky) | 255.00 mi (410.38 km) |
| Holt to Independence (Missouri) | 568.35 mi (914.67 km) |
| Holt to Indian Trail (North Carolina) | 563.21 mi (906.40 km) |
| Holt to Indiana (Pennsylvania) | 310.62 mi (499.90 km) |
| Holt to Indianapolis (Indiana) | 214.97 mi (345.97 km) |
