| Bargoed to Jeffersonville (Indiana) | 3,910.56 mi (6,293.43 km) |
| Bargoed to Jenison (Michigan) | 3,706.50 mi (5,965.04 km) |
| Bargoed to Jenks (Oklahoma) | 4,426.79 mi (7,124.24 km) |
| Bargoed to Jennings (Missouri) | 4,072.24 mi (6,553.64 km) |
| Bargoed to Jensen Beach (Florida) | 4,222.15 mi (6,794.89 km) |
| Bargoed to Jericho (New York) | 3,307.60 mi (5,323.06 km) |
| Bargoed to Jerome (Idaho) | 4,730.58 mi (7,613.13 km) |
| Bargoed to Jersey City (New Jersey) | 3,332.23 mi (5,362.71 km) |
| Bargoed to Jessup (Maryland) | 3,511.97 mi (5,651.98 km) |
| Bargoed to Johns Creek (Georgia) | 4,054.22 mi (6,524.64 km) |
| Bargoed to Johnson City (New York) | 3,349.78 mi (5,390.94 km) |
| Bargoed to Johnson City (Tennessee) | 3,869.87 mi (6,227.95 km) |
| Bargoed to Johnston (Iowa) | 4,062.87 mi (6,538.56 km) |
| Bargoed to Johnstown (Colorado) | 4,536.60 mi (7,300.96 km) |
| Bargoed to Johnstown (Pennsylvania) | 3,547.31 mi (5,708.85 km) |
