| Johnston to Point Pleasant (New Jersey) | 1,030.39 mi (1,658.26 km) |
| Johnston to Pomona (California) | 1,407.22 mi (2,264.70 km) |
| Johnston to Pompano Beach (Florida) | 1,317.69 mi (2,120.62 km) |
| Johnston to Pompton Lakes (New Jersey) | 1,007.21 mi (1,620.94 km) |
| Johnston to Pompton Plains (New Jersey) | 1,006.48 mi (1,619.77 km) |
| Johnston to Ponca City (Oklahoma) | 387.03 mi (622.87 km) |
| Johnston to Ponce (Puerto Rico) | 2,286.13 mi (3,679.16 km) |
| Johnston to Pontiac (Illinois) | 269.56 mi (433.82 km) |
| Johnston to Pontiac (Michigan) | 538.13 mi (866.03 km) |
| Johnston to Pooler (Georgia) | 953.71 mi (1,534.85 km) |
| Johnston to Poplar Bluff (Missouri) | 383.73 mi (617.55 km) |
| Johnston to Poquoson (Virginia) | 977.06 mi (1,572.42 km) |
| Johnston to Port Angeles (Washington) | 1,510.50 mi (2,430.92 km) |
| Johnston to Port Arthur (Texas) | 817.84 mi (1,316.18 km) |
| Johnston to Port Charlotte (Florida) | 1,209.90 mi (1,947.15 km) |
