| Sierpc to Preveza | 964.03 mi (1,551.46 km) |
| Sierpc to Psychiko | 1,046.25 mi (1,683.77 km) |
| Sierpc to Ptolemaida | 859.69 mi (1,383.53 km) |
| Sierpc to Pylaia | 862.86 mi (1,388.63 km) |
| Sierpc to Pyrgos | 1,054.78 mi (1,697.51 km) |
| Sierpc to Rafina | 1,047.95 mi (1,686.51 km) |
| Sierpc to Rethymno | 1,232.69 mi (1,983.83 km) |
| Sierpc to Rodos | 1,209.30 mi (1,946.19 km) |
| Sierpc to Salamina | 1,046.88 mi (1,684.79 km) |
| Sierpc to Serres | 835.28 mi (1,344.25 km) |
| Sierpc to Sindos | 856.57 mi (1,378.52 km) |
| Sierpc to Siteia | 1,261.64 mi (2,030.41 km) |
| Sierpc to Skillounta | 1,059.04 mi (1,704.37 km) |
| Sierpc to Sparti | 1,100.43 mi (1,770.96 km) |
| Sierpc to Spata | 1,050.57 mi (1,690.72 km) |
