| Risca to Jeffersonville (Indiana) | 3,918.57 mi (6,306.33 km) |
| Risca to Jenison (Michigan) | 3,714.71 mi (5,978.25 km) |
| Risca to Jenks (Oklahoma) | 4,435.02 mi (7,137.48 km) |
| Risca to Jennings (Missouri) | 4,080.41 mi (6,566.78 km) |
| Risca to Jensen Beach (Florida) | 4,229.29 mi (6,806.39 km) |
| Risca to Jericho (New York) | 3,315.31 mi (5,335.47 km) |
| Risca to Jerome (Idaho) | 4,739.12 mi (7,626.87 km) |
| Risca to Jersey City (New Jersey) | 3,339.96 mi (5,375.14 km) |
| Risca to Jessup (Maryland) | 3,519.71 mi (5,664.42 km) |
| Risca to Johns Creek (Georgia) | 4,061.97 mi (6,537.11 km) |
| Risca to Johnson City (New York) | 3,357.66 mi (5,403.63 km) |
| Risca to Johnson City (Tennessee) | 3,877.66 mi (6,240.49 km) |
| Risca to Johnston (Iowa) | 4,071.21 mi (6,551.98 km) |
| Risca to Johnstown (Colorado) | 4,545.09 mi (7,314.61 km) |
| Risca to Johnstown (Pennsylvania) | 3,555.20 mi (5,721.54 km) |
