| Johnston to Pontefract | 4,065.74 mi (6,543.17 km) |
| Johnston to Ponteland | 4,005.19 mi (6,445.74 km) |
| Johnston to Pontneddfechan | 4,047.66 mi (6,514.08 km) |
| Johnston to Pontypridd | 4,062.02 mi (6,537.18 km) |
| Johnston to Poole | 4,143.51 mi (6,668.33 km) |
| Johnston to Port Glasgow | 3,874.75 mi (6,235.81 km) |
| Johnston to Port Talbot | 4,045.27 mi (6,510.23 km) |
| Johnston to Portchester | 4,171.53 mi (6,713.44 km) |
| Johnston to Porthcawl | 4,053.05 mi (6,522.76 km) |
| Johnston to Portishead | 4,087.71 mi (6,578.54 km) |
| Johnston to Portlethen | 3,927.61 mi (6,320.88 km) |
| Johnston to Portsmouth | 4,174.05 mi (6,717.48 km) |
| Johnston to Potters Bar | 4,175.84 mi (6,720.37 km) |
| Johnston to Poulton le Fylde | 4,000.30 mi (6,437.86 km) |
| Johnston to Poynton | 4,048.36 mi (6,515.20 km) |
