| Darby to Hutchinson (Minnesota) | 1,030.88 mi (1,659.05 km) |
| Darby to Hutto (Texas) | 1,409.33 mi (2,268.09 km) |
| Darby to Hyattsville (Maryland) | 112.09 mi (180.39 km) |
| Darby to Hybla Valley (Virginia) | 126.63 mi (203.78 km) |
| Darby to Idaho Falls (Idaho) | 1,897.34 mi (3,053.47 km) |
| Darby to Idylwood (Virginia) | 125.92 mi (202.64 km) |
| Darby to Ilchester (Maryland) | 93.80 mi (150.96 km) |
| Darby to Immokalee (Florida) | 997.59 mi (1,605.47 km) |
| Darby to Imperial (California) | 2,275.06 mi (3,661.35 km) |
| Darby to Imperial Beach (California) | 2,364.64 mi (3,805.53 km) |
| Darby to Independence (Kentucky) | 499.92 mi (804.55 km) |
| Darby to Independence (Missouri) | 1,017.35 mi (1,637.26 km) |
| Darby to Indian Trail (North Carolina) | 446.42 mi (718.45 km) |
| Darby to Indiana (Pennsylvania) | 210.91 mi (339.42 km) |
| Darby to Indianapolis (Indiana) | 577.12 mi (928.78 km) |
