| Port Neches to Cervignano del Friuli | 5,505.85 mi (8,860.82 km) |
| Port Neches to Cesa | 5,728.20 mi (9,218.65 km) |
| Port Neches to Cesano Maderno | 5,340.43 mi (8,594.59 km) |
| Port Neches to Cesena | 5,523.57 mi (8,889.32 km) |
| Port Neches to Cesenatico | 5,527.58 mi (8,895.78 km) |
| Port Neches to Cetraro | 5,860.25 mi (9,431.16 km) |
| Port Neches to Cherasco | 5,320.05 mi (8,561.79 km) |
| Port Neches to Chiampo | 5,432.05 mi (8,742.03 km) |
| Port Neches to Chiaravalle | 5,589.32 mi (8,995.15 km) |
| Port Neches to Chiari | 5,375.08 mi (8,650.36 km) |
| Port Neches to Chiavari | 5,394.17 mi (8,681.08 km) |
| Port Neches to Chieri | 5,305.79 mi (8,538.84 km) |
| Port Neches to Chieti | 5,672.07 mi (9,128.32 km) |
| Port Neches to Chioggia | 5,485.13 mi (8,827.46 km) |
| Port Neches to Chiusi | 5,552.59 mi (8,936.02 km) |
