| Port Neches to Oakleaf Plantation (Florida) | 724.00 mi (1,165.17 km) |
| Port Neches to Oakley (California) | 1,675.95 mi (2,697.17 km) |
| Port Neches to Oakton (Virginia) | 1,128.03 mi (1,815.39 km) |
| Port Neches to Oakville (Missouri) | 620.75 mi (999.00 km) |
| Port Neches to Oatfield (Oregon) | 1,878.73 mi (3,023.53 km) |
| Port Neches to Ocala (Florida) | 710.58 mi (1,143.56 km) |
| Port Neches to Ocean Acres (New Jersey) | 1,298.84 mi (2,090.28 km) |
| Port Neches to Ocean City (New Jersey) | 1,269.50 mi (2,043.07 km) |
| Port Neches to Ocean Pines (Maryland) | 1,218.07 mi (1,960.29 km) |
| Port Neches to Ocean Pointe (Hawaii) | 3,986.84 mi (6,416.19 km) |
| Port Neches to Ocean Springs (Mississippi) | 309.56 mi (498.18 km) |
| Port Neches to Oceanside (California) | 1,390.03 mi (2,237.04 km) |
| Port Neches to Oceanside (New York) | 1,356.25 mi (2,182.68 km) |
| Port Neches to Ocoee (Florida) | 753.89 mi (1,213.28 km) |
| Port Neches to Oconomowoc (Wisconsin) | 955.31 mi (1,537.43 km) |
