| Thornton Heath to Jeffersonville (Indiana) | 4,042.57 mi (6,505.88 km) |
| Thornton Heath to Jenison (Michigan) | 3,835.77 mi (6,173.07 km) |
| Thornton Heath to Jenks (Oklahoma) | 4,555.68 mi (7,331.66 km) |
| Thornton Heath to Jennings (Missouri) | 4,202.22 mi (6,762.81 km) |
| Thornton Heath to Jensen Beach (Florida) | 4,358.14 mi (7,013.76 km) |
| Thornton Heath to Jericho (New York) | 3,442.07 mi (5,539.48 km) |
| Thornton Heath to Jerome (Idaho) | 4,841.79 mi (7,792.11 km) |
| Thornton Heath to Jersey City (New Jersey) | 3,466.61 mi (5,578.97 km) |
| Thornton Heath to Jessup (Maryland) | 3,646.31 mi (5,868.17 km) |
| Thornton Heath to Johns Creek (Georgia) | 4,188.45 mi (6,740.66 km) |
| Thornton Heath to Johnson City (New York) | 3,483.06 mi (5,605.44 km) |
| Thornton Heath to Johnson City (Tennessee) | 4,003.79 mi (6,443.48 km) |
| Thornton Heath to Johnston (Iowa) | 4,189.21 mi (6,741.89 km) |
| Thornton Heath to Johnstown (Colorado) | 4,657.18 mi (7,495.00 km) |
| Thornton Heath to Johnstown (Pennsylvania) | 3,680.59 mi (5,923.34 km) |
