| Clarksburg to Penne | 4,524.22 mi (7,281.03 km) |
| Clarksburg to Pergine Valsugana | 4,283.79 mi (6,894.09 km) |
| Clarksburg to Perugia | 4,434.25 mi (7,136.23 km) |
| Clarksburg to Pesaro | 4,428.02 mi (7,126.21 km) |
| Clarksburg to Pescantina | 4,287.68 mi (6,900.36 km) |
| Clarksburg to Pescara | 4,536.60 mi (7,300.95 km) |
| Clarksburg to Peschiera del Garda | 4,281.60 mi (6,890.57 km) |
| Clarksburg to Pescia | 4,333.24 mi (6,973.67 km) |
| Clarksburg to Petilia Policastro | 4,775.28 mi (7,685.08 km) |
| Clarksburg to Piacenza | 4,252.18 mi (6,843.22 km) |
| Clarksburg to Pianella | 4,531.82 mi (7,293.26 km) |
| Clarksburg to Pianezza | 4,157.30 mi (6,690.52 km) |
| Clarksburg to Pianiga | 4,336.84 mi (6,979.48 km) |
| Clarksburg to Piano di Sorrento | 4,612.60 mi (7,423.26 km) |
| Clarksburg to Pianoro | 4,344.64 mi (6,992.03 km) |
