| Port Neches to Cadiz | 4,903.80 mi (7,891.90 km) |
| Port Neches to Calafell | 5,150.60 mi (8,289.08 km) |
| Port Neches to Calahorra | 4,953.38 mi (7,971.69 km) |
| Port Neches to Calasparra | 5,084.49 mi (8,182.70 km) |
| Port Neches to Calatayud | 4,996.19 mi (8,040.59 km) |
| Port Neches to Caldas de Montbuy | 5,164.89 mi (8,312.08 km) |
| Port Neches to Caldas de Reyes | 4,630.78 mi (7,452.52 km) |
| Port Neches to Calella | 5,188.26 mi (8,349.69 km) |
| Port Neches to Callosa de Segura | 5,127.87 mi (8,252.50 km) |
| Port Neches to Calpe | 5,156.86 mi (8,299.16 km) |
| Port Neches to Calvia | 5,245.79 mi (8,442.28 km) |
| Port Neches to Camas | 4,893.14 mi (7,874.74 km) |
| Port Neches to Cambados | 4,625.53 mi (7,444.07 km) |
| Port Neches to Cambre | 4,628.98 mi (7,449.62 km) |
| Port Neches to Cambrils | 5,130.79 mi (8,257.21 km) |
