| Mountain Ash to Hutchinson (Minnesota) | 3,931.80 mi (6,327.61 km) |
| Mountain Ash to Hutto (Texas) | 4,761.00 mi (7,662.09 km) |
| Mountain Ash to Hyattsville (Maryland) | 3,522.05 mi (5,668.18 km) |
| Mountain Ash to Hybla Valley (Virginia) | 3,536.76 mi (5,691.87 km) |
| Mountain Ash to Idaho Falls (Idaho) | 4,606.44 mi (7,413.35 km) |
| Mountain Ash to Idylwood (Virginia) | 3,535.55 mi (5,689.92 km) |
| Mountain Ash to Ilchester (Maryland) | 3,502.96 mi (5,637.47 km) |
| Mountain Ash to Immokalee (Florida) | 4,307.53 mi (6,932.29 km) |
| Mountain Ash to Imperial (California) | 5,305.01 mi (8,537.59 km) |
| Mountain Ash to Imperial Beach (California) | 5,372.73 mi (8,646.57 km) |
| Mountain Ash to Independence (Kentucky) | 3,830.65 mi (6,164.83 km) |
| Mountain Ash to Independence (Missouri) | 4,206.94 mi (6,770.42 km) |
| Mountain Ash to Indian Trail (North Carolina) | 3,852.66 mi (6,200.26 km) |
| Mountain Ash to Indiana (Pennsylvania) | 3,538.37 mi (5,694.46 km) |
| Mountain Ash to Indianapolis (Indiana) | 3,855.94 mi (6,205.53 km) |
