| Port Neches to Carmignano | 5,483.58 mi (8,824.97 km) |
| Port Neches to Carovigno | 5,885.75 mi (9,472.20 km) |
| Port Neches to Carpenedolo | 5,403.40 mi (8,695.94 km) |
| Port Neches to Carpi | 5,443.06 mi (8,759.75 km) |
| Port Neches to Carrara | 5,435.20 mi (8,747.11 km) |
| Port Neches to Carugate | 5,351.07 mi (8,611.72 km) |
| Port Neches to Casal di Principe | 5,721.94 mi (9,208.58 km) |
| Port Neches to Casale Monferrato | 5,328.66 mi (8,575.65 km) |
| Port Neches to Casale sul Sile | 5,473.36 mi (8,808.53 km) |
| Port Neches to Casalecchio di Reno | 5,470.66 mi (8,804.18 km) |
| Port Neches to Casalgrande | 5,443.95 mi (8,761.20 km) |
| Port Neches to Casalmaggiore | 5,416.19 mi (8,716.51 km) |
| Port Neches to Casalnuovo di Napoli | 5,735.18 mi (9,229.88 km) |
| Port Neches to Casalpusterlengo | 5,377.35 mi (8,654.01 km) |
| Port Neches to Casaluce | 5,725.47 mi (9,214.26 km) |
