| Portishead to Cockermouth | 220.93 mi (355.56 km) |
| Portishead to Colchester | 159.50 mi (256.69 km) |
| Portishead to Coleford | 22.12 mi (35.60 km) |
| Portishead to Colne | 165.68 mi (266.64 km) |
| Portishead to Colwyn Bay | 130.89 mi (210.65 km) |
| Portishead to Congleton | 118.20 mi (190.23 km) |
| Portishead to Conisbrough | 152.23 mi (244.98 km) |
| Portishead to Connahs Quay | 120.45 mi (193.85 km) |
| Portishead to Consett | 235.75 mi (379.40 km) |
| Portishead to Conwy | 132.00 mi (212.43 km) |
| Portishead to Cookstown | 273.95 mi (440.88 km) |
| Portishead to Corby | 111.81 mi (179.94 km) |
| Portishead to Corfe Mullen | 58.96 mi (94.89 km) |
| Portishead to Corsham | 25.10 mi (40.40 km) |
| Portishead to Coseley | 79.12 mi (127.33 km) |
