| Grammichele to Hutchinson (Minnesota) | 5,246.77 mi (8,443.86 km) |
| Grammichele to Hutto (Texas) | 6,026.81 mi (9,699.21 km) |
| Grammichele to Hyattsville (Maryland) | 4,747.34 mi (7,640.11 km) |
| Grammichele to Hybla Valley (Virginia) | 4,760.85 mi (7,661.84 km) |
| Grammichele to Idaho Falls (Idaho) | 5,936.54 mi (9,553.94 km) |
| Grammichele to Idylwood (Virginia) | 4,761.43 mi (7,662.78 km) |
| Grammichele to Ilchester (Maryland) | 4,729.57 mi (7,611.51 km) |
| Grammichele to Immokalee (Florida) | 5,446.11 mi (8,764.66 km) |
| Grammichele to Imperial (California) | 6,630.80 mi (10,671.24 km) |
| Grammichele to Imperial Beach (California) | 6,700.02 mi (10,782.63 km) |
| Grammichele to Independence (Kentucky) | 5,089.37 mi (8,190.54 km) |
| Grammichele to Independence (Missouri) | 5,501.03 mi (8,853.05 km) |
| Grammichele to Indian Trail (North Carolina) | 5,063.93 mi (8,149.61 km) |
| Grammichele to Indiana (Pennsylvania) | 4,786.81 mi (7,703.63 km) |
| Grammichele to Indianapolis (Indiana) | 5,126.00 mi (8,249.50 km) |
