| Port Neches to Cockermouth | 4,578.59 mi (7,368.54 km) |
| Port Neches to Colchester | 4,811.50 mi (7,743.36 km) |
| Port Neches to Coleford | 4,674.57 mi (7,523.00 km) |
| Port Neches to Colne | 4,642.30 mi (7,471.06 km) |
| Port Neches to Colwyn Bay | 4,596.52 mi (7,397.38 km) |
| Port Neches to Congleton | 4,657.24 mi (7,495.10 km) |
| Port Neches to Conisbrough | 4,687.78 mi (7,544.25 km) |
| Port Neches to Connahs Quay | 4,623.24 mi (7,440.38 km) |
| Port Neches to Consett | 4,631.88 mi (7,454.28 km) |
| Port Neches to Conwy | 4,591.67 mi (7,389.58 km) |
| Port Neches to Cookstown | 4,450.04 mi (7,161.65 km) |
| Port Neches to Corby | 4,733.00 mi (7,617.03 km) |
| Port Neches to Corfe Mullen | 4,723.97 mi (7,602.49 km) |
| Port Neches to Corsham | 4,700.62 mi (7,564.92 km) |
| Port Neches to Coseley | 4,677.27 mi (7,527.34 km) |
