| Blackburn to Hutchinson (Minnesota) | 3,888.10 mi (6,257.29 km) |
| Blackburn to Hutto (Texas) | 4,739.99 mi (7,628.27 km) |
| Blackburn to Hyattsville (Maryland) | 3,519.46 mi (5,664.02 km) |
| Blackburn to Hybla Valley (Virginia) | 3,534.49 mi (5,688.21 km) |
| Blackburn to Idaho Falls (Idaho) | 4,540.03 mi (7,306.46 km) |
| Blackburn to Idylwood (Virginia) | 3,532.71 mi (5,685.35 km) |
| Blackburn to Ilchester (Maryland) | 3,500.05 mi (5,632.78 km) |
| Blackburn to Immokalee (Florida) | 4,324.16 mi (6,959.06 km) |
| Blackburn to Imperial (California) | 5,248.90 mi (8,447.29 km) |
| Blackburn to Imperial Beach (California) | 5,314.39 mi (8,552.68 km) |
| Blackburn to Independence (Kentucky) | 3,815.31 mi (6,140.15 km) |
| Blackburn to Independence (Missouri) | 4,175.30 mi (6,719.49 km) |
| Blackburn to Indian Trail (North Carolina) | 3,852.80 mi (6,200.48 km) |
| Blackburn to Indiana (Pennsylvania) | 3,527.96 mi (5,677.71 km) |
| Blackburn to Indianapolis (Indiana) | 3,836.11 mi (6,173.62 km) |
