| Potomac to Preveza | 4,960.64 mi (7,983.38 km) |
| Potomac to Psychiko | 5,131.19 mi (8,257.85 km) |
| Potomac to Ptolemaida | 4,938.03 mi (7,946.99 km) |
| Potomac to Pylaia | 4,989.65 mi (8,030.07 km) |
| Potomac to Pyrgos | 5,043.66 mi (8,116.98 km) |
| Potomac to Rafina | 5,140.74 mi (8,273.22 km) |
| Potomac to Rethymno | 5,274.23 mi (8,488.06 km) |
| Potomac to Rodos | 5,389.88 mi (8,674.18 km) |
| Potomac to Salamina | 5,121.27 mi (8,241.88 km) |
| Potomac to Serres | 4,993.49 mi (8,036.24 km) |
| Potomac to Sindos | 4,979.26 mi (8,013.35 km) |
| Potomac to Siteia | 5,352.98 mi (8,614.80 km) |
| Potomac to Skillounta | 5,054.50 mi (8,134.43 km) |
| Potomac to Sparti | 5,111.99 mi (8,226.95 km) |
| Potomac to Spata | 5,139.26 mi (8,270.84 km) |
