| Zachary to Owosso (Michigan) | 934.68 mi (1,504.22 km) |
| Zachary to Oxford (Alabama) | 370.08 mi (595.59 km) |
| Zachary to Oxford (Mississippi) | 272.59 mi (438.70 km) |
| Zachary to Oxford (Ohio) | 710.08 mi (1,142.77 km) |
| Zachary to Oxnard (California) | 1,646.80 mi (2,650.27 km) |
| Zachary to Oxon Hill (Maryland) | 980.16 mi (1,577.42 km) |
| Zachary to Ozark (Alabama) | 330.94 mi (532.60 km) |
| Zachary to Ozark (Missouri) | 455.72 mi (733.41 km) |
| Zachary to Pace (Florida) | 237.60 mi (382.37 km) |
| Zachary to Pacific Grove (California) | 1,808.41 mi (2,910.35 km) |
| Zachary to Pacifica (California) | 1,844.58 mi (2,968.57 km) |
| Zachary to Paducah (Kentucky) | 465.61 mi (749.33 km) |
| Zachary to Pahrump (Nevada) | 1,477.80 mi (2,378.29 km) |
| Zachary to Painesville (Ohio) | 941.55 mi (1,515.28 km) |
| Zachary to Palatine (Illinois) | 810.02 mi (1,303.60 km) |
