| Glenn Dale to Poggibonsi | 4,357.65 mi (7,012.96 km) |
| Glenn Dale to Poggio a Caiano | 4,342.19 mi (6,988.08 km) |
| Glenn Dale to Poggio Renatico | 4,328.34 mi (6,965.80 km) |
| Glenn Dale to Poggiomarino | 4,601.57 mi (7,405.51 km) |
| Glenn Dale to Poirino | 4,165.99 mi (6,704.51 km) |
| Glenn Dale to Policoro | 4,717.52 mi (7,592.12 km) |
| Glenn Dale to Polistena | 4,759.45 mi (7,659.60 km) |
| Glenn Dale to Pomezia | 4,479.46 mi (7,209.00 km) |
| Glenn Dale to Pomigliano d'Arco | 4,590.64 mi (7,387.93 km) |
| Glenn Dale to Pompei | 4,601.19 mi (7,404.90 km) |
| Glenn Dale to Ponsacco | 4,330.01 mi (6,968.47 km) |
| Glenn Dale to Pontassieve | 4,359.73 mi (7,016.30 km) |
| Glenn Dale to Ponte Buggianese | 4,327.48 mi (6,964.40 km) |
| Glenn Dale to Ponte San Pietro | 4,216.61 mi (6,785.98 km) |
| Glenn Dale to Pontecorvo | 4,538.42 mi (7,303.87 km) |
