| Upper Grand Lagoon to Poing | 5,017.97 mi (8,075.64 km) |
| Upper Grand Lagoon to Porta Westfalica | 4,785.85 mi (7,702.08 km) |
| Upper Grand Lagoon to Possneck | 4,933.38 mi (7,939.51 km) |
| Upper Grand Lagoon to Potsdam | 4,939.77 mi (7,949.80 km) |
| Upper Grand Lagoon to Preetz | 4,782.67 mi (7,696.96 km) |
| Upper Grand Lagoon to Prenzlau | 4,942.18 mi (7,953.66 km) |
| Upper Grand Lagoon to Preussisch Oldendorf | 4,767.17 mi (7,672.01 km) |
| Upper Grand Lagoon to Prien am Chiemsee | 5,049.42 mi (8,126.26 km) |
| Upper Grand Lagoon to Pritzwalk | 4,884.25 mi (7,860.44 km) |
| Upper Grand Lagoon to Puchheim | 4,999.13 mi (8,045.32 km) |
| Upper Grand Lagoon to Pulheim | 4,733.16 mi (7,617.29 km) |
| Upper Grand Lagoon to Pullach im Isartal | 5,009.07 mi (8,061.31 km) |
| Upper Grand Lagoon to Puttlingen | 4,781.34 mi (7,694.82 km) |
| Upper Grand Lagoon to Quakenbruck | 4,735.72 mi (7,621.41 km) |
| Upper Grand Lagoon to Quedlinburg | 4,883.87 mi (7,859.83 km) |
