| Port Neches to Missouri City (Texas) | 99.58 mi (160.26 km) |
| Port Neches to Mitchell (South Dakota) | 976.40 mi (1,571.36 km) |
| Port Neches to Mitchellville (Maryland) | 1,152.73 mi (1,855.14 km) |
| Port Neches to Moberly (Missouri) | 657.92 mi (1,058.82 km) |
| Port Neches to Mobile (Alabama) | 350.99 mi (564.87 km) |
| Port Neches to Modesto (California) | 1,634.19 mi (2,629.97 km) |
| Port Neches to Mokena (Illinois) | 867.32 mi (1,395.82 km) |
| Port Neches to Moline (Illinois) | 818.02 mi (1,316.48 km) |
| Port Neches to Moncks Corner (South Carolina) | 848.74 mi (1,365.92 km) |
| Port Neches to Monfort Heights (Ohio) | 827.71 mi (1,332.07 km) |
| Port Neches to Monmouth (Oregon) | 1,891.39 mi (3,043.90 km) |
| Port Neches to Monroe (Georgia) | 655.26 mi (1,054.54 km) |
| Port Neches to Monroe (Louisiana) | 207.43 mi (333.82 km) |
| Port Neches to Monroe (Michigan) | 1,012.84 mi (1,630.00 km) |
| Port Neches to Monroe (North Carolina) | 853.06 mi (1,372.86 km) |
