| Johnston to Duluth (Minnesota) | 359.94 mi (579.26 km) |
| Johnston to Dumas (Texas) | 598.87 mi (963.79 km) |
| Johnston to Dumont (New Jersey) | 1,022.96 mi (1,646.30 km) |
| Johnston to Duncan (Oklahoma) | 544.01 mi (875.50 km) |
| Johnston to Duncanville (Texas) | 649.01 mi (1,044.49 km) |
| Johnston to Dundalk (Maryland) | 919.15 mi (1,479.23 km) |
| Johnston to Dunedin (Florida) | 1,127.01 mi (1,813.75 km) |
| Johnston to Dunkirk (New York) | 739.05 mi (1,189.39 km) |
| Johnston to Dunmore (Pennsylvania) | 935.17 mi (1,505.01 km) |
| Johnston to Dunwoody (Georgia) | 741.07 mi (1,192.64 km) |
| Johnston to Durango (Colorado) | 813.20 mi (1,308.71 km) |
| Johnston to Durant (Oklahoma) | 551.25 mi (887.14 km) |
| Johnston to Durham (North Carolina) | 888.31 mi (1,429.60 km) |
| Johnston to Dyer (Indiana) | 321.32 mi (517.12 km) |
| Johnston to Dyersburg (Tennessee) | 454.54 mi (731.52 km) |
