| Dorchester to Hutchinson (Minnesota) | 4,002.25 mi (6,440.99 km) |
| Dorchester to Hutto (Texas) | 4,825.01 mi (7,765.10 km) |
| Dorchester to Hyattsville (Maryland) | 3,580.51 mi (5,762.27 km) |
| Dorchester to Hybla Valley (Virginia) | 3,595.11 mi (5,785.77 km) |
| Dorchester to Idaho Falls (Idaho) | 4,681.41 mi (7,534.00 km) |
| Dorchester to Idylwood (Virginia) | 3,594.09 mi (5,784.13 km) |
| Dorchester to Ilchester (Maryland) | 3,561.55 mi (5,731.75 km) |
| Dorchester to Immokalee (Florida) | 4,358.33 mi (7,014.06 km) |
| Dorchester to Imperial (California) | 5,377.95 mi (8,654.98 km) |
| Dorchester to Imperial Beach (California) | 5,446.11 mi (8,764.66 km) |
| Dorchester to Independence (Kentucky) | 3,893.22 mi (6,265.53 km) |
| Dorchester to Independence (Missouri) | 4,274.21 mi (6,878.68 km) |
| Dorchester to Indian Trail (North Carolina) | 3,909.99 mi (6,292.52 km) |
| Dorchester to Indiana (Pennsylvania) | 3,599.48 mi (5,792.81 km) |
| Dorchester to Indianapolis (Indiana) | 3,919.90 mi (6,308.46 km) |
