| National City to Cockermouth | 5,241.45 mi (8,435.30 km) |
| National City to Colchester | 5,498.83 mi (8,849.51 km) |
| National City to Coleford | 5,387.64 mi (8,670.57 km) |
| National City to Colne | 5,313.43 mi (8,551.15 km) |
| National City to Colwyn Bay | 5,288.07 mi (8,510.32 km) |
| National City to Congleton | 5,341.88 mi (8,596.93 km) |
| National City to Conisbrough | 5,359.99 mi (8,626.08 km) |
| National City to Connahs Quay | 5,312.15 mi (8,549.09 km) |
| National City to Consett | 5,281.63 mi (8,499.97 km) |
| National City to Conwy | 5,284.22 mi (8,504.13 km) |
| National City to Cookstown | 5,132.85 mi (8,260.52 km) |
| National City to Corby | 5,420.37 mi (8,723.25 km) |
| National City to Corfe Mullen | 5,451.96 mi (8,774.07 km) |
| National City to Corsham | 5,417.49 mi (8,718.61 km) |
| National City to Coseley | 5,372.62 mi (8,646.40 km) |
