| Grefrath to Palaio Faliro | 1,253.08 mi (2,016.63 km) |
| Grefrath to Pallini | 1,255.40 mi (2,020.37 km) |
| Grefrath to Panorama | 1,088.35 mi (1,751.53 km) |
| Grefrath to Papagos | 1,253.00 mi (2,016.50 km) |
| Grefrath to Patra | 1,172.87 mi (1,887.55 km) |
| Grefrath to Pefka | 1,083.16 mi (1,743.17 km) |
| Grefrath to Pefki | 1,248.99 mi (2,010.05 km) |
| Grefrath to Peraia | 1,088.93 mi (1,752.47 km) |
| Grefrath to Perama | 1,246.88 mi (2,006.67 km) |
| Grefrath to Peristeri | 1,247.92 mi (2,008.34 km) |
| Grefrath to Petroupoli | 1,247.00 mi (2,006.86 km) |
| Grefrath to Piraeus | 1,250.81 mi (2,012.98 km) |
| Grefrath to Polygyros | 1,113.29 mi (1,791.67 km) |
| Grefrath to Porto Rafti | 1,266.02 mi (2,037.46 km) |
| Grefrath to Preveza | 1,102.42 mi (1,774.18 km) |
