| Johnston to Harrison (Ohio) | 498.57 mi (802.37 km) |
| Johnston to Harrison (Wisconsin) | 324.40 mi (522.08 km) |
| Johnston to Harrisonburg (Virginia) | 815.62 mi (1,312.62 km) |
| Johnston to Hartford (Connecticut) | 1,082.22 mi (1,741.66 km) |
| Johnston to Hartford (Wisconsin) | 294.59 mi (474.09 km) |
| Johnston to Hartselle (Alabama) | 621.82 mi (1,000.72 km) |
| Johnston to Hartsville (Tennessee) | 546.33 mi (879.24 km) |
| Johnston to Harvey (Illinois) | 313.44 mi (504.44 km) |
| Johnston to Harvey (Louisiana) | 840.67 mi (1,352.92 km) |
| Johnston to Hasbrouck Heights (New Jersey) | 1,019.70 mi (1,641.05 km) |
| Johnston to Haslett (Michigan) | 482.30 mi (776.18 km) |
| Johnston to Hastings (Minnesota) | 214.61 mi (345.38 km) |
| Johnston to Hastings (Nebraska) | 254.28 mi (409.23 km) |
| Johnston to Hattiesburg (Mississippi) | 757.74 mi (1,219.46 km) |
| Johnston to Hauppauge (New York) | 1,064.64 mi (1,713.37 km) |
