| Havre de Grace to Petersburg (Virginia) | 176.08 mi (283.37 km) |
| Havre de Grace to Pflugerville (Texas) | 1,364.02 mi (2,195.18 km) |
| Havre de Grace to Pharr (Texas) | 1,572.68 mi (2,530.98 km) |
| Havre de Grace to Phelan (California) | 2,291.90 mi (3,688.46 km) |
| Havre de Grace to Phenix City (Alabama) | 697.87 mi (1,123.11 km) |
| Havre de Grace to Philadelphia (Pennsylvania) | 61.00 mi (98.17 km) |
| Havre de Grace to Phillipsburg (New Jersey) | 92.99 mi (149.65 km) |
| Havre de Grace to Phoenix (Arizona) | 2,024.72 mi (3,258.48 km) |
| Havre de Grace to Phoenixville (Pennsylvania) | 51.43 mi (82.76 km) |
| Havre de Grace to Picayune (Mississippi) | 986.09 mi (1,586.95 km) |
| Havre de Grace to Pickerington (Ohio) | 354.29 mi (570.18 km) |
| Havre de Grace to Pico Rivera (California) | 2,333.29 mi (3,755.07 km) |
| Havre de Grace to Piedmont (California) | 2,462.58 mi (3,963.14 km) |
| Havre de Grace to Pierre (South Dakota) | 1,282.33 mi (2,063.71 km) |
| Havre de Grace to Pike Creek Valley (Delaware) | 25.42 mi (40.91 km) |
