| Portage to Cockermouth | 3,641.68 mi (5,860.72 km) |
| Portage to Colchester | 3,882.06 mi (6,247.57 km) |
| Portage to Coleford | 3,750.23 mi (6,035.41 km) |
| Portage to Colne | 3,707.71 mi (5,966.98 km) |
| Portage to Colwyn Bay | 3,666.15 mi (5,900.10 km) |
| Portage to Congleton | 3,725.81 mi (5,996.11 km) |
| Portage to Conisbrough | 3,753.82 mi (6,041.19 km) |
| Portage to Connahs Quay | 3,692.49 mi (5,942.50 km) |
| Portage to Consett | 3,692.74 mi (5,942.90 km) |
| Portage to Conwy | 3,661.50 mi (5,892.61 km) |
| Portage to Cookstown | 3,516.32 mi (5,658.98 km) |
| Portage to Corby | 3,802.88 mi (6,120.14 km) |
| Portage to Corfe Mullen | 3,804.04 mi (6,122.01 km) |
| Portage to Corsham | 3,777.51 mi (6,079.31 km) |
| Portage to Coseley | 3,748.54 mi (6,032.69 km) |
