| Havre de Grace to Oxford (Alabama) | 679.03 mi (1,092.79 km) |
| Havre de Grace to Oxford (Mississippi) | 821.81 mi (1,322.57 km) |
| Havre de Grace to Oxford (Ohio) | 459.75 mi (739.90 km) |
| Havre de Grace to Oxnard (California) | 2,386.03 mi (3,839.95 km) |
| Havre de Grace to Oxon Hill (Maryland) | 69.77 mi (112.28 km) |
| Havre de Grace to Ozark (Alabama) | 774.01 mi (1,245.65 km) |
| Havre de Grace to Ozark (Missouri) | 941.95 mi (1,515.93 km) |
| Havre de Grace to Pace (Florida) | 876.78 mi (1,411.04 km) |
| Havre de Grace to Pacific Grove (California) | 2,472.73 mi (3,979.48 km) |
| Havre de Grace to Pacifica (California) | 2,479.93 mi (3,991.06 km) |
| Havre de Grace to Paducah (Kentucky) | 699.86 mi (1,126.32 km) |
| Havre de Grace to Pahrump (Nevada) | 2,169.15 mi (3,490.90 km) |
| Havre de Grace to Painesville (Ohio) | 308.48 mi (496.45 km) |
| Havre de Grace to Palatine (Illinois) | 647.75 mi (1,042.45 km) |
| Havre de Grace to Palatka (Florida) | 752.98 mi (1,211.81 km) |
