| Risca to Jacksonville (Texas) | 4,611.01 mi (7,420.70 km) |
| Risca to Jacksonville Beach (Florida) | 4,128.13 mi (6,643.58 km) |
| Risca to James Island (South Carolina) | 3,947.48 mi (6,352.85 km) |
| Risca to Jamestown (New York) | 3,490.71 mi (5,617.76 km) |
| Risca to Jamestown (North Dakota) | 4,002.73 mi (6,441.77 km) |
| Risca to Janesville (Wisconsin) | 3,846.98 mi (6,191.12 km) |
| Risca to Jasmine Estates (Florida) | 4,280.45 mi (6,888.72 km) |
| Risca to Jasper (Alabama) | 4,196.19 mi (6,753.12 km) |
| Risca to Jasper (Indiana) | 3,965.23 mi (6,381.43 km) |
| Risca to Jefferson (Georgia) | 4,032.28 mi (6,489.33 km) |
| Risca to Jefferson (Louisiana) | 4,506.93 mi (7,253.21 km) |
| Risca to Jefferson City (Missouri) | 4,162.07 mi (6,698.20 km) |
| Risca to Jefferson Hills (Pennsylvania) | 3,597.70 mi (5,789.94 km) |
| Risca to Jefferson Valley-Yorktown (New York) | 3,303.47 mi (5,316.42 km) |
| Risca to Jeffersontown (Kentucky) | 3,919.48 mi (6,307.79 km) |
