| Johnston to Parma Heights (Ohio) | 618.38 mi (995.18 km) |
| Johnston to Parole (Maryland) | 921.79 mi (1,483.49 km) |
| Johnston to Parsippany (New Jersey) | 1,002.19 mi (1,612.87 km) |
| Johnston to Pasadena (California) | 1,422.71 mi (2,289.62 km) |
| Johnston to Pasadena (Maryland) | 918.32 mi (1,477.89 km) |
| Johnston to Pasadena (Texas) | 835.24 mi (1,344.20 km) |
| Johnston to Pasadena Hills (Florida) | 1,129.16 mi (1,817.21 km) |
| Johnston to Pascagoula (Mississippi) | 833.69 mi (1,341.69 km) |
| Johnston to Pasco (Washington) | 1,295.96 mi (2,085.65 km) |
| Johnston to Passaic (New Jersey) | 1,016.97 mi (1,636.65 km) |
| Johnston to Pataskala (Ohio) | 586.46 mi (943.82 km) |
| Johnston to Patchogue (New York) | 1,075.26 mi (1,730.47 km) |
| Johnston to Paterson (New Jersey) | 1,014.55 mi (1,632.76 km) |
| Johnston to Patterson (California) | 1,482.80 mi (2,386.33 km) |
| Johnston to Pawtucket (Rhode Island) | 1,148.26 mi (1,847.94 km) |
