| Havre de Grace to Pottsville (Pennsylvania) | 78.36 mi (126.11 km) |
| Havre de Grace to Poughkeepsie (New York) | 187.71 mi (302.08 km) |
| Havre de Grace to Poulsbo (Washington) | 2,356.36 mi (3,792.20 km) |
| Havre de Grace to Poway (California) | 2,303.02 mi (3,706.36 km) |
| Havre de Grace to Powder Springs (Georgia) | 615.47 mi (990.51 km) |
| Havre de Grace to Powell (Ohio) | 371.97 mi (598.63 km) |
| Havre de Grace to Powell (Tennessee) | 495.36 mi (797.20 km) |
| Havre de Grace to Prairie Ridge (Washington) | 2,335.87 mi (3,759.23 km) |
| Havre de Grace to Prairie Village (Kansas) | 989.76 mi (1,592.87 km) |
| Havre de Grace to Prairieville (Louisiana) | 1,052.97 mi (1,694.60 km) |
| Havre de Grace to Prattville (Alabama) | 756.73 mi (1,217.85 km) |
| Havre de Grace to Preakness (New Jersey) | 138.44 mi (222.79 km) |
| Havre de Grace to Prescott (Arizona) | 2,018.24 mi (3,248.05 km) |
| Havre de Grace to Prescott Valley (Arizona) | 2,011.06 mi (3,236.50 km) |
| Havre de Grace to Prichard (Alabama) | 908.51 mi (1,462.11 km) |
