| Potomac to Poing | 4,245.51 mi (6,832.48 km) |
| Potomac to Porta Westfalica | 4,008.56 mi (6,451.15 km) |
| Potomac to Possneck | 4,157.03 mi (6,690.10 km) |
| Potomac to Potsdam | 4,161.14 mi (6,696.71 km) |
| Potomac to Preetz | 4,003.28 mi (6,442.66 km) |
| Potomac to Prenzlau | 4,162.76 mi (6,699.31 km) |
| Potomac to Preussisch Oldendorf | 3,989.93 mi (6,421.17 km) |
| Potomac to Prien am Chiemsee | 4,277.20 mi (6,883.49 km) |
| Potomac to Pritzwalk | 4,105.24 mi (6,606.75 km) |
| Potomac to Puchheim | 4,227.00 mi (6,802.69 km) |
| Potomac to Pulheim | 3,958.38 mi (6,370.39 km) |
| Potomac to Pullach im Isartal | 4,237.02 mi (6,818.82 km) |
| Potomac to Puttlingen | 4,009.69 mi (6,452.97 km) |
| Potomac to Quakenbruck | 3,958.19 mi (6,370.09 km) |
| Potomac to Quedlinburg | 4,106.36 mi (6,608.55 km) |
