| Waltham to Hutchinson (Kansas) | 1,431.73 mi (2,304.15 km) |
| Waltham to Hutchinson (Minnesota) | 1,165.55 mi (1,875.77 km) |
| Waltham to Hutto (Texas) | 1,665.14 mi (2,679.79 km) |
| Waltham to Hyattsville (Maryland) | 381.54 mi (614.03 km) |
| Waltham to Hybla Valley (Virginia) | 396.33 mi (637.83 km) |
| Waltham to Idaho Falls (Idaho) | 2,044.03 mi (3,289.56 km) |
| Waltham to Idylwood (Virginia) | 395.06 mi (635.79 km) |
| Waltham to Ilchester (Maryland) | 362.50 mi (583.39 km) |
| Waltham to Immokalee (Florida) | 1,244.17 mi (2,002.29 km) |
| Waltham to Imperial (California) | 2,484.19 mi (3,997.91 km) |
| Waltham to Imperial Beach (California) | 2,572.01 mi (4,139.25 km) |
| Waltham to Independence (Kentucky) | 735.75 mi (1,184.08 km) |
| Waltham to Independence (Missouri) | 1,227.07 mi (1,974.78 km) |
| Waltham to Indian Trail (North Carolina) | 715.08 mi (1,150.81 km) |
| Waltham to Indiana (Pennsylvania) | 427.06 mi (687.29 km) |
