| Hard to Hutchinson (Minnesota) | 4,572.72 mi (7,359.08 km) |
| Hard to Hutto (Texas) | 5,412.62 mi (8,710.76 km) |
| Hard to Hyattsville (Maryland) | 4,171.75 mi (6,713.79 km) |
| Hard to Hybla Valley (Virginia) | 4,186.35 mi (6,737.29 km) |
| Hard to Idaho Falls (Idaho) | 5,220.18 mi (8,401.07 km) |
| Hard to Idylwood (Virginia) | 4,185.33 mi (6,735.64 km) |
| Hard to Ilchester (Maryland) | 4,152.79 mi (6,683.26 km) |
| Hard to Immokalee (Florida) | 4,944.46 mi (7,957.33 km) |
| Hard to Imperial (California) | 5,933.23 mi (9,548.61 km) |
| Hard to Imperial Beach (California) | 5,998.04 mi (9,652.91 km) |
| Hard to Independence (Kentucky) | 4,482.54 mi (7,213.96 km) |
| Hard to Independence (Missouri) | 4,855.43 mi (7,814.05 km) |
| Hard to Indian Trail (North Carolina) | 4,501.13 mi (7,243.87 km) |
| Hard to Indiana (Pennsylvania) | 4,189.93 mi (6,743.05 km) |
| Hard to Indianapolis (Indiana) | 4,507.61 mi (7,254.30 km) |
