| Troisdorf to Pontinia | 708.01 mi (1,139.44 km) |
| Troisdorf to Porcari | 508.27 mi (817.98 km) |
| Troisdorf to Porcia | 418.14 mi (672.93 km) |
| Troisdorf to Pordenone | 420.00 mi (675.92 km) |
| Troisdorf to Portici | 771.63 mi (1,241.82 km) |
| Troisdorf to Porto Empedocle | 985.45 mi (1,585.93 km) |
| Troisdorf to Porto Recanati | 594.38 mi (956.56 km) |
| Troisdorf to Porto Sant'Elpidio | 606.47 mi (976.02 km) |
| Troisdorf to Porto Tolle | 470.33 mi (756.93 km) |
| Troisdorf to Porto Torres | 692.07 mi (1,113.78 km) |
| Troisdorf to Portoferraio | 572.42 mi (921.21 km) |
| Troisdorf to Portogruaro | 434.49 mi (699.24 km) |
| Troisdorf to Portomaggiore | 474.23 mi (763.20 km) |
| Troisdorf to Potenza | 816.57 mi (1,314.14 km) |
| Troisdorf to Potenza Picena | 597.21 mi (961.12 km) |
