| Merriam to Pontedera | 5,069.73 mi (8,158.94 km) |
| Merriam to Pontinia | 5,263.49 mi (8,470.76 km) |
| Merriam to Porcari | 5,061.38 mi (8,145.50 km) |
| Merriam to Porcia | 5,045.60 mi (8,120.11 km) |
| Merriam to Pordenone | 5,047.57 mi (8,123.27 km) |
| Merriam to Portici | 5,341.17 mi (8,595.78 km) |
| Merriam to Porto Empedocle | 5,468.87 mi (8,801.29 km) |
| Merriam to Porto Recanati | 5,197.11 mi (8,363.94 km) |
| Merriam to Porto Sant'Elpidio | 5,207.78 mi (8,381.11 km) |
| Merriam to Porto Tolle | 5,078.71 mi (8,173.39 km) |
| Merriam to Porto Torres | 5,101.08 mi (8,209.40 km) |
| Merriam to Portoferraio | 5,093.72 mi (8,197.55 km) |
| Merriam to Portogruaro | 5,061.68 mi (8,145.99 km) |
| Merriam to Portomaggiore | 5,069.94 mi (8,159.29 km) |
| Merriam to Potenza | 5,406.86 mi (8,701.51 km) |
