| Upminster to Paiania | 1,479.90 mi (2,381.67 km) |
| Upminster to Palaio Faliro | 1,475.18 mi (2,374.07 km) |
| Upminster to Pallini | 1,478.61 mi (2,379.59 km) |
| Upminster to Panorama | 1,320.51 mi (2,125.16 km) |
| Upminster to Papagos | 1,475.77 mi (2,375.02 km) |
| Upminster to Patra | 1,387.13 mi (2,232.38 km) |
| Upminster to Pefka | 1,315.46 mi (2,117.04 km) |
| Upminster to Pefki | 1,472.15 mi (2,369.19 km) |
| Upminster to Peraia | 1,320.25 mi (2,124.74 km) |
| Upminster to Perama | 1,468.55 mi (2,363.41 km) |
| Upminster to Peristeri | 1,470.34 mi (2,366.28 km) |
| Upminster to Petroupoli | 1,469.50 mi (2,364.93 km) |
| Upminster to Piraeus | 1,472.72 mi (2,370.12 km) |
| Upminster to Polygyros | 1,346.03 mi (2,166.23 km) |
| Upminster to Porto Rafti | 1,489.25 mi (2,396.72 km) |
