| Cwmbran to Hutchinson (Minnesota) | 3,945.81 mi (6,350.17 km) |
| Cwmbran to Hutto (Texas) | 4,775.89 mi (7,686.05 km) |
| Cwmbran to Hyattsville (Maryland) | 3,537.33 mi (5,692.78 km) |
| Cwmbran to Hybla Valley (Virginia) | 3,552.05 mi (5,716.47 km) |
| Cwmbran to Idaho Falls (Idaho) | 4,619.21 mi (7,433.91 km) |
| Cwmbran to Idylwood (Virginia) | 3,550.83 mi (5,714.50 km) |
| Cwmbran to Ilchester (Maryland) | 3,518.23 mi (5,662.05 km) |
| Cwmbran to Immokalee (Florida) | 4,323.00 mi (6,957.19 km) |
| Cwmbran to Imperial (California) | 5,318.44 mi (8,559.20 km) |
| Cwmbran to Imperial Beach (California) | 5,386.03 mi (8,667.98 km) |
| Cwmbran to Independence (Kentucky) | 3,845.67 mi (6,189.00 km) |
| Cwmbran to Independence (Missouri) | 4,221.47 mi (6,793.80 km) |
| Cwmbran to Indian Trail (North Carolina) | 3,867.99 mi (6,224.93 km) |
| Cwmbran to Indiana (Pennsylvania) | 3,553.50 mi (5,718.81 km) |
| Cwmbran to Indianapolis (Indiana) | 3,870.84 mi (6,229.51 km) |
