| Boston to Poyo | 830.49 mi (1,336.55 km) |
| Boston to Pozoblanco | 1,034.12 mi (1,664.25 km) |
| Boston to Premia de Mar | 801.05 mi (1,289.17 km) |
| Boston to Priego de Cordoba | 1,092.23 mi (1,757.78 km) |
| Boston to Puente-Genil | 1,101.11 mi (1,772.07 km) |
| Boston to Puenteareas | 843.51 mi (1,357.50 km) |
| Boston to Puerto de la Cruz | 1,894.48 mi (3,048.88 km) |
| Boston to Puerto del Rosario | 1,832.40 mi (2,948.96 km) |
| Boston to Puerto Real | 1,174.79 mi (1,890.65 km) |
| Boston to Puertollano | 1,006.46 mi (1,619.74 km) |
| Boston to Puigcerda | 733.95 mi (1,181.18 km) |
| Boston to Pulpi | 1,079.14 mi (1,736.70 km) |
| Boston to Puzol | 922.99 mi (1,485.42 km) |
| Boston to Quintanar de la Orden | 935.67 mi (1,505.82 km) |
| Boston to Rafelbunol | 924.71 mi (1,488.18 km) |
