| Grays to Jeffersonville (Indiana) | 4,057.81 mi (6,530.41 km) |
| Grays to Jenison (Michigan) | 3,850.09 mi (6,196.12 km) |
| Grays to Jenks (Oklahoma) | 4,569.86 mi (7,354.48 km) |
| Grays to Jennings (Missouri) | 4,216.75 mi (6,786.20 km) |
| Grays to Jensen Beach (Florida) | 4,375.72 mi (7,042.04 km) |
| Grays to Jericho (New York) | 3,458.38 mi (5,565.73 km) |
| Grays to Jerome (Idaho) | 4,851.57 mi (7,807.84 km) |
| Grays to Jersey City (New Jersey) | 3,482.87 mi (5,605.14 km) |
| Grays to Jessup (Maryland) | 3,662.54 mi (5,894.29 km) |
| Grays to Johns Creek (Georgia) | 4,204.62 mi (6,766.68 km) |
| Grays to Johnson City (New York) | 3,498.81 mi (5,630.79 km) |
| Grays to Johnson City (Tennessee) | 4,019.82 mi (6,469.28 km) |
| Grays to Johnston (Iowa) | 4,202.66 mi (6,763.53 km) |
| Grays to Johnstown (Colorado) | 4,669.10 mi (7,514.19 km) |
| Grays to Johnstown (Pennsylvania) | 3,696.34 mi (5,948.68 km) |
