| Johnston to Princeton (Florida) | 1,350.33 mi (2,173.15 km) |
| Johnston to Princeton (New Jersey) | 995.45 mi (1,602.03 km) |
| Johnston to Princeton (Texas) | 607.57 mi (977.79 km) |
| Johnston to Princeton Meadows (New Jersey) | 1,001.13 mi (1,611.16 km) |
| Johnston to Prineville (Oregon) | 1,376.79 mi (2,215.74 km) |
| Johnston to Prior Lake (Minnesota) | 210.08 mi (338.09 km) |
| Johnston to Progress (Pennsylvania) | 884.41 mi (1,423.32 km) |
| Johnston to Prospect Heights (Illinois) | 299.42 mi (481.87 km) |
| Johnston to Prosper (Texas) | 607.85 mi (978.24 km) |
| Johnston to Providence (Rhode Island) | 1,146.42 mi (1,844.98 km) |
| Johnston to Provo (Utah) | 938.61 mi (1,510.55 km) |
| Johnston to Prunedale (California) | 1,524.99 mi (2,454.23 km) |
| Johnston to Pueblo (Colorado) | 622.45 mi (1,001.73 km) |
| Johnston to Pueblo West (Colorado) | 625.72 mi (1,007.00 km) |
| Johnston to Pullman (Washington) | 1,207.02 mi (1,942.51 km) |
