| Williston to Pontedera | 4,944.48 mi (7,957.36 km) |
| Williston to Pontinia | 5,142.76 mi (8,276.47 km) |
| Williston to Porcari | 4,934.46 mi (7,941.24 km) |
| Williston to Porcia | 4,883.75 mi (7,859.63 km) |
| Williston to Pordenone | 4,885.65 mi (7,862.70 km) |
| Williston to Portici | 5,216.28 mi (8,394.80 km) |
| Williston to Porto Empedocle | 5,383.27 mi (8,663.53 km) |
| Williston to Porto Recanati | 5,052.49 mi (8,131.20 km) |
| Williston to Porto Sant'Elpidio | 5,064.12 mi (8,149.92 km) |
| Williston to Porto Tolle | 4,928.91 mi (7,932.31 km) |
| Williston to Porto Torres | 5,020.30 mi (8,079.39 km) |
| Williston to Portoferraio | 4,979.16 mi (8,013.18 km) |
| Williston to Portogruaro | 4,900.15 mi (7,886.03 km) |
| Williston to Portomaggiore | 4,926.20 mi (7,927.96 km) |
| Williston to Potenza | 5,272.62 mi (8,485.46 km) |
