| Johnston to Colton (California) | 1,385.54 mi (2,229.80 km) |
| Johnston to Columbia (Illinois) | 290.27 mi (467.15 km) |
| Johnston to Columbia (Maryland) | 901.75 mi (1,451.23 km) |
| Johnston to Columbia (Missouri) | 203.35 mi (327.25 km) |
| Johnston to Columbia (Pennsylvania) | 905.98 mi (1,458.03 km) |
| Johnston to Columbia (South Carolina) | 875.09 mi (1,408.32 km) |
| Johnston to Columbia (Tennessee) | 552.29 mi (888.83 km) |
| Johnston to Columbia Heights (Minnesota) | 233.20 mi (375.30 km) |
| Johnston to Columbine (Colorado) | 611.85 mi (984.68 km) |
| Johnston to Columbus (Georgia) | 799.06 mi (1,285.96 km) |
| Johnston to Columbus (Indiana) | 444.54 mi (715.42 km) |
| Johnston to Columbus (Mississippi) | 635.45 mi (1,022.66 km) |
| Johnston to Columbus (Nebraska) | 188.63 mi (303.56 km) |
| Johnston to Columbus (Ohio) | 573.12 mi (922.34 km) |
| Johnston to Commack (New York) | 1,060.64 mi (1,706.94 km) |
