| Johnston to Pontedera | 4,906.93 mi (7,896.94 km) |
| Johnston to Pontinia | 5,101.75 mi (8,210.48 km) |
| Johnston to Porcari | 4,898.34 mi (7,883.12 km) |
| Johnston to Porcia | 4,878.05 mi (7,850.46 km) |
| Johnston to Pordenone | 4,880.01 mi (7,853.62 km) |
| Johnston to Portici | 5,179.05 mi (8,334.88 km) |
| Johnston to Porto Empedocle | 5,312.55 mi (8,549.72 km) |
| Johnston to Porto Recanati | 5,032.07 mi (8,098.33 km) |
| Johnston to Porto Sant'Elpidio | 5,042.89 mi (8,115.74 km) |
| Johnston to Porto Tolle | 4,912.74 mi (7,906.29 km) |
| Johnston to Porto Torres | 4,944.55 mi (7,957.48 km) |
| Johnston to Portoferraio | 4,932.42 mi (7,937.96 km) |
| Johnston to Portogruaro | 4,894.21 mi (7,876.46 km) |
| Johnston to Portomaggiore | 4,904.73 mi (7,893.40 km) |
| Johnston to Potenza | 5,243.65 mi (8,438.83 km) |
