| Harmanli to Pontinia | 663.86 mi (1,068.39 km) |
| Harmanli to Porcari | 783.70 mi (1,261.24 km) |
| Harmanli to Porcia | 715.99 mi (1,152.27 km) |
| Harmanli to Pordenone | 714.11 mi (1,149.24 km) |
| Harmanli to Portici | 603.73 mi (971.62 km) |
| Harmanli to Porto Empedocle | 731.45 mi (1,177.16 km) |
| Harmanli to Porto Recanati | 629.42 mi (1,012.96 km) |
| Harmanli to Porto Sant'Elpidio | 624.20 mi (1,004.55 km) |
| Harmanli to Porto Tolle | 711.60 mi (1,145.20 km) |
| Harmanli to Porto Torres | 908.69 mi (1,462.39 km) |
| Harmanli to Portoferraio | 796.61 mi (1,282.02 km) |
| Harmanli to Portogruaro | 702.18 mi (1,130.05 km) |
| Harmanli to Portomaggiore | 733.08 mi (1,179.78 km) |
| Harmanli to Potenza | 531.71 mi (855.70 km) |
| Harmanli to Potenza Picena | 631.43 mi (1,016.18 km) |
