| Risca to Hutchinson (Minnesota) | 3,944.95 mi (6,348.78 km) |
| Risca to Hutto (Texas) | 4,774.36 mi (7,683.58 km) |
| Risca to Hyattsville (Maryland) | 3,535.33 mi (5,689.56 km) |
| Risca to Hybla Valley (Virginia) | 3,550.04 mi (5,713.24 km) |
| Risca to Idaho Falls (Idaho) | 4,619.04 mi (7,433.63 km) |
| Risca to Idylwood (Virginia) | 3,548.84 mi (5,711.30 km) |
| Risca to Ilchester (Maryland) | 3,516.25 mi (5,658.85 km) |
| Risca to Immokalee (Florida) | 4,320.50 mi (6,953.18 km) |
| Risca to Imperial (California) | 5,317.93 mi (8,558.38 km) |
| Risca to Imperial Beach (California) | 5,385.59 mi (8,667.27 km) |
| Risca to Independence (Kentucky) | 3,844.00 mi (6,186.32 km) |
| Risca to Independence (Missouri) | 4,220.25 mi (6,791.83 km) |
| Risca to Indian Trail (North Carolina) | 3,865.92 mi (6,221.59 km) |
| Risca to Indiana (Pennsylvania) | 3,551.71 mi (5,715.93 km) |
| Risca to Indianapolis (Indiana) | 3,869.29 mi (6,227.02 km) |
