| Gourock to Ponteland | 135.46 mi (218.00 km) |
| Gourock to Pontneddfechan | 294.36 mi (473.73 km) |
| Gourock to Pontypridd | 306.64 mi (493.48 km) |
| Gourock to Poole | 380.19 mi (611.85 km) |
| Gourock to Port Glasgow | 5.09 mi (8.19 km) |
| Gourock to Port Talbot | 304.32 mi (489.75 km) |
| Gourock to Portchester | 384.50 mi (618.79 km) |
| Gourock to Porthcawl | 312.52 mi (502.95 km) |
| Gourock to Portishead | 320.02 mi (515.02 km) |
| Gourock to Portlethen | 127.85 mi (205.76 km) |
| Gourock to Portsmouth | 387.35 mi (623.39 km) |
| Gourock to Potters Bar | 349.37 mi (562.26 km) |
| Gourock to Poulton le Fylde | 162.56 mi (261.62 km) |
| Gourock to Poynton | 209.77 mi (337.59 km) |
| Gourock to Prescot | 192.05 mi (309.07 km) |
