| Roudnice nad Labem to Jeffersonville (Indiana) | 4,625.29 mi (7,443.68 km) |
| Roudnice nad Labem to Jenison (Michigan) | 4,401.49 mi (7,083.51 km) |
| Roudnice nad Labem to Jenks (Oklahoma) | 5,116.48 mi (8,234.18 km) |
| Roudnice nad Labem to Jennings (Missouri) | 4,771.08 mi (7,678.31 km) |
| Roudnice nad Labem to Jensen Beach (Florida) | 4,977.40 mi (8,010.36 km) |
| Roudnice nad Labem to Jericho (New York) | 4,044.20 mi (6,508.52 km) |
| Roudnice nad Labem to Jerome (Idaho) | 5,300.68 mi (8,530.62 km) |
| Roudnice nad Labem to Jersey City (New Jersey) | 4,067.94 mi (6,546.72 km) |
| Roudnice nad Labem to Jessup (Maryland) | 4,246.92 mi (6,834.76 km) |
| Roudnice nad Labem to Johns Creek (Georgia) | 4,787.29 mi (7,704.40 km) |
| Roudnice nad Labem to Johnson City (New York) | 4,076.02 mi (6,559.72 km) |
| Roudnice nad Labem to Johnson City (Tennessee) | 4,600.52 mi (7,403.82 km) |
| Roudnice nad Labem to Johnston (Iowa) | 4,735.99 mi (7,621.84 km) |
| Roudnice nad Labem to Johnstown (Colorado) | 5,168.49 mi (8,317.88 km) |
| Roudnice nad Labem to Johnstown (Pennsylvania) | 4,273.08 mi (6,876.87 km) |
