| Castel Gandolfo to Petersburg (Virginia) | 4,579.97 mi (7,370.76 km) |
| Castel Gandolfo to Pflugerville (Texas) | 5,762.92 mi (9,274.53 km) |
| Castel Gandolfo to Pharr (Texas) | 5,998.99 mi (9,654.44 km) |
| Castel Gandolfo to Phelan (California) | 6,299.21 mi (10,137.59 km) |
| Castel Gandolfo to Phenix City (Alabama) | 5,122.74 mi (8,244.25 km) |
| Castel Gandolfo to Philadelphia (Pennsylvania) | 4,369.96 mi (7,032.77 km) |
| Castel Gandolfo to Phillipsburg (New Jersey) | 4,346.25 mi (6,994.61 km) |
| Castel Gandolfo to Phoenix (Arizona) | 6,163.17 mi (9,918.67 km) |
| Castel Gandolfo to Phoenixville (Pennsylvania) | 4,382.11 mi (7,052.33 km) |
| Castel Gandolfo to Picayune (Mississippi) | 5,416.85 mi (8,717.58 km) |
| Castel Gandolfo to Pickerington (Ohio) | 4,705.48 mi (7,572.73 km) |
| Castel Gandolfo to Pico Rivera (California) | 6,343.08 mi (10,208.20 km) |
| Castel Gandolfo to Piedmont (California) | 6,248.36 mi (10,055.76 km) |
| Castel Gandolfo to Pierre (South Dakota) | 5,187.33 mi (8,348.20 km) |
| Castel Gandolfo to Pike Creek Valley (Delaware) | 4,405.55 mi (7,090.05 km) |
