| Boston to Poljcane | 833.29 mi (1,341.05 km) |
| Boston to Polzela | 816.14 mi (1,313.46 km) |
| Boston to Postojna | 808.39 mi (1,300.98 km) |
| Boston to Prebold | 818.75 mi (1,317.66 km) |
| Boston to Preddvor | 791.30 mi (1,273.47 km) |
| Boston to Prevalje | 798.61 mi (1,285.24 km) |
| Boston to Ptuj | 839.49 mi (1,351.03 km) |
| Boston to Puconci | 838.27 mi (1,349.07 km) |
| Boston to Race | 831.03 mi (1,337.42 km) |
| Boston to Radece | 829.36 mi (1,334.73 km) |
| Boston to Radenci | 836.48 mi (1,346.18 km) |
| Boston to Radlje ob Dravi | 807.14 mi (1,298.97 km) |
| Boston to Radovljica | 780.66 mi (1,256.36 km) |
| Boston to Ravne na Koroskem | 800.54 mi (1,288.35 km) |
| Boston to Razkrizje | 850.99 mi (1,369.54 km) |
