| Johnston to Pottsville (Pennsylvania) | 911.81 mi (1,467.42 km) |
| Johnston to Poughkeepsie (New York) | 1,019.40 mi (1,640.57 km) |
| Johnston to Poulsbo (Washington) | 1,470.30 mi (2,366.22 km) |
| Johnston to Poway (California) | 1,407.98 mi (2,265.93 km) |
| Johnston to Powder Springs (Georgia) | 731.26 mi (1,176.86 km) |
| Johnston to Powell (Ohio) | 564.92 mi (909.15 km) |
| Johnston to Powell (Tennessee) | 650.96 mi (1,047.62 km) |
| Johnston to Prairie Ridge (Washington) | 1,443.27 mi (2,322.73 km) |
| Johnston to Prairie Village (Kansas) | 192.88 mi (310.42 km) |
| Johnston to Prairieville (Louisiana) | 800.94 mi (1,288.98 km) |
| Johnston to Prattville (Alabama) | 752.48 mi (1,211.01 km) |
| Johnston to Preakness (New Jersey) | 1,011.10 mi (1,627.21 km) |
| Johnston to Prescott (Arizona) | 1,126.55 mi (1,813.00 km) |
| Johnston to Prescott Valley (Arizona) | 1,119.82 mi (1,802.18 km) |
| Johnston to Prichard (Alabama) | 815.71 mi (1,312.76 km) |
