| Port Neches to Commerce (California) | 1,441.92 mi (2,320.54 km) |
| Port Neches to Commerce City (Colorado) | 919.31 mi (1,479.49 km) |
| Port Neches to Compton (California) | 1,445.70 mi (2,326.63 km) |
| Port Neches to Comstock Park (Michigan) | 1,011.65 mi (1,628.09 km) |
| Port Neches to Concord (California) | 1,692.07 mi (2,723.12 km) |
| Port Neches to Concord (Missouri) | 624.17 mi (1,004.51 km) |
| Port Neches to Concord (New Hampshire) | 1,534.63 mi (2,469.74 km) |
| Port Neches to Concord (North Carolina) | 858.66 mi (1,381.87 km) |
| Port Neches to Conneaut (Ohio) | 1,111.55 mi (1,788.87 km) |
| Port Neches to Connersville (Indiana) | 833.85 mi (1,341.96 km) |
| Port Neches to Conroe (Texas) | 94.88 mi (152.70 km) |
| Port Neches to Converse (Texas) | 263.68 mi (424.35 km) |
| Port Neches to Conway (Arkansas) | 362.63 mi (583.60 km) |
| Port Neches to Conway (Florida) | 766.97 mi (1,234.32 km) |
| Port Neches to Conway (South Carolina) | 912.94 mi (1,469.24 km) |
