| Barreiro to Colchester | 1,032.16 mi (1,661.09 km) |
| Barreiro to Coleford | 958.65 mi (1,542.80 km) |
| Barreiro to Colne | 1,098.58 mi (1,768.00 km) |
| Barreiro to Colwyn Bay | 1,041.97 mi (1,676.89 km) |
| Barreiro to Congleton | 1,053.08 mi (1,694.76 km) |
| Barreiro to Conisbrough | 1,088.65 mi (1,752.02 km) |
| Barreiro to Connahs Quay | 1,045.11 mi (1,681.95 km) |
| Barreiro to Consett | 1,167.94 mi (1,879.62 km) |
| Barreiro to Conwy | 1,039.82 mi (1,673.42 km) |
| Barreiro to Cookstown | 1,109.45 mi (1,785.49 km) |
| Barreiro to Corby | 1,035.45 mi (1,666.39 km) |
| Barreiro to Corfe Mullen | 904.03 mi (1,454.90 km) |
| Barreiro to Corsham | 942.90 mi (1,517.45 km) |
| Barreiro to Coseley | 1,015.73 mi (1,634.66 km) |
| Barreiro to Cosham | 927.04 mi (1,491.92 km) |
