| Johnston to Petersburg (Virginia) | 923.12 mi (1,485.62 km) |
| Johnston to Pflugerville (Texas) | 805.97 mi (1,297.08 km) |
| Johnston to Pharr (Texas) | 1,102.21 mi (1,773.84 km) |
| Johnston to Phelan (California) | 1,382.66 mi (2,225.18 km) |
| Johnston to Phenix City (Alabama) | 797.07 mi (1,282.76 km) |
| Johnston to Philadelphia (Pennsylvania) | 976.57 mi (1,571.64 km) |
| Johnston to Phillipsburg (New Jersey) | 964.66 mi (1,552.47 km) |
| Johnston to Phoenix (Arizona) | 1,147.45 mi (1,846.65 km) |
| Johnston to Phoenixville (Pennsylvania) | 954.71 mi (1,536.46 km) |
| Johnston to Picayune (Mississippi) | 803.21 mi (1,292.64 km) |
| Johnston to Pickerington (Ohio) | 586.03 mi (943.12 km) |
| Johnston to Pico Rivera (California) | 1,425.84 mi (2,294.67 km) |
| Johnston to Piedmont (California) | 1,530.34 mi (2,462.84 km) |
| Johnston to Pierre (South Dakota) | 381.14 mi (613.38 km) |
| Johnston to Pike Creek Valley (Delaware) | 951.90 mi (1,531.93 km) |
