| McDonough to Hutchinson (Kansas) | 833.96 mi (1,342.14 km) |
| McDonough to Hutchinson (Minnesota) | 960.33 mi (1,545.50 km) |
| McDonough to Hutto (Texas) | 809.38 mi (1,302.58 km) |
| McDonough to Hyattsville (Maryland) | 553.27 mi (890.40 km) |
| McDonough to Hybla Valley (Virginia) | 538.44 mi (866.54 km) |
| McDonough to Idaho Falls (Idaho) | 1,650.27 mi (2,655.85 km) |
| McDonough to Idylwood (Virginia) | 539.91 mi (868.90 km) |
| McDonough to Ilchester (Maryland) | 572.56 mi (921.45 km) |
| McDonough to Immokalee (Florida) | 511.32 mi (822.89 km) |
| McDonough to Imperial (California) | 1,811.40 mi (2,915.16 km) |
| McDonough to Imperial Beach (California) | 1,903.17 mi (3,062.85 km) |
| McDonough to Independence (Kentucky) | 381.44 mi (613.87 km) |
| McDonough to Independence (Missouri) | 688.58 mi (1,108.17 km) |
| McDonough to Indian Trail (North Carolina) | 229.67 mi (369.62 km) |
| McDonough to Indiana (Pennsylvania) | 567.36 mi (913.07 km) |
