| Monroe to Oxford (Alabama) | 367.11 mi (590.81 km) |
| Monroe to Oxford (Mississippi) | 194.27 mi (312.65 km) |
| Monroe to Oxford (Ohio) | 632.79 mi (1,018.38 km) |
| Monroe to Oxnard (California) | 1,563.89 mi (2,516.84 km) |
| Monroe to Oxon Hill (Maryland) | 950.55 mi (1,529.76 km) |
| Monroe to Ozark (Alabama) | 383.92 mi (617.86 km) |
| Monroe to Ozark (Missouri) | 318.77 mi (513.01 km) |
| Monroe to Pace (Florida) | 317.44 mi (510.87 km) |
| Monroe to Pacific Grove (California) | 1,714.61 mi (2,759.40 km) |
| Monroe to Pacifica (California) | 1,746.87 mi (2,811.32 km) |
| Monroe to Paducah (Kentucky) | 369.92 mi (595.33 km) |
| Monroe to Pahrump (Nevada) | 1,384.26 mi (2,227.75 km) |
| Monroe to Painesville (Ohio) | 870.44 mi (1,400.83 km) |
| Monroe to Palatine (Illinois) | 699.10 mi (1,125.09 km) |
| Monroe to Palatka (Florida) | 646.58 mi (1,040.57 km) |
