| Port Lavaca to Owosso (Michigan) | 1,210.95 mi (1,948.84 km) |
| Port Lavaca to Oxford (Alabama) | 722.90 mi (1,163.40 km) |
| Port Lavaca to Oxford (Mississippi) | 576.08 mi (927.11 km) |
| Port Lavaca to Oxford (Ohio) | 1,012.30 mi (1,629.14 km) |
| Port Lavaca to Oxnard (California) | 1,381.38 mi (2,223.11 km) |
| Port Lavaca to Oxon Hill (Maryland) | 1,326.07 mi (2,134.10 km) |
| Port Lavaca to Ozark (Alabama) | 684.98 mi (1,102.37 km) |
| Port Lavaca to Ozark (Missouri) | 614.33 mi (988.67 km) |
| Port Lavaca to Pace (Florida) | 584.65 mi (940.90 km) |
| Port Lavaca to Pacific Grove (California) | 1,566.80 mi (2,521.52 km) |
| Port Lavaca to Pacifica (California) | 1,613.11 mi (2,596.05 km) |
| Port Lavaca to Paducah (Kentucky) | 744.92 mi (1,198.84 km) |
| Port Lavaca to Pahrump (Nevada) | 1,242.86 mi (2,000.20 km) |
| Port Lavaca to Painesville (Ohio) | 1,250.70 mi (2,012.81 km) |
| Port Lavaca to Palatine (Illinois) | 1,049.34 mi (1,688.74 km) |
