| Johnston to Pittsburg (Kansas) | 300.11 mi (482.98 km) |
| Johnston to Pittsburgh (Pennsylvania) | 720.55 mi (1,159.62 km) |
| Johnston to Pittsfield (Massachusetts) | 1,048.29 mi (1,687.06 km) |
| Johnston to Placentia (California) | 1,417.86 mi (2,281.82 km) |
| Johnston to Placerville (California) | 1,437.10 mi (2,312.79 km) |
| Johnston to Plainfield (Illinois) | 283.82 mi (456.77 km) |
| Johnston to Plainfield (Indiana) | 408.91 mi (658.08 km) |
| Johnston to Plainfield (New Jersey) | 1,005.10 mi (1,617.55 km) |
| Johnston to Plainview (New York) | 1,051.59 mi (1,692.37 km) |
| Johnston to Plainview (Texas) | 676.51 mi (1,088.74 km) |
| Johnston to Plano (Illinois) | 267.98 mi (431.28 km) |
| Johnston to Plano (Texas) | 619.58 mi (997.12 km) |
| Johnston to Plant City (Florida) | 1,149.04 mi (1,849.20 km) |
| Johnston to Plantation (Florida) | 1,320.20 mi (2,124.66 km) |
| Johnston to Platteville (Wisconsin) | 181.33 mi (291.83 km) |
