| Port Neches to Carlsbad (California) | 1,388.25 mi (2,234.18 km) |
| Port Neches to Carlsbad (New Mexico) | 630.72 mi (1,015.05 km) |
| Port Neches to Carmel (Indiana) | 818.53 mi (1,317.30 km) |
| Port Neches to Carmichael (California) | 1,665.43 mi (2,680.25 km) |
| Port Neches to Carney (Maryland) | 1,181.61 mi (1,901.61 km) |
| Port Neches to Carnot-Moon (Pennsylvania) | 1,060.85 mi (1,707.27 km) |
| Port Neches to Carol Stream (Illinois) | 886.31 mi (1,426.38 km) |
| Port Neches to Carolina (Puerto Rico) | 1,928.32 mi (3,103.33 km) |
| Port Neches to Carolina Forest (South Carolina) | 919.09 mi (1,479.14 km) |
| Port Neches to Carpentersville (Illinois) | 896.18 mi (1,442.26 km) |
| Port Neches to Carpinteria (California) | 1,521.54 mi (2,448.69 km) |
| Port Neches to Carrboro (North Carolina) | 953.06 mi (1,533.80 km) |
| Port Neches to Carroll (Iowa) | 837.13 mi (1,347.24 km) |
| Port Neches to Carrollton (Georgia) | 576.76 mi (928.20 km) |
| Port Neches to Carrollton (Texas) | 271.30 mi (436.61 km) |
