| Dundalk to Cockermouth | 3,436.56 mi (5,530.61 km) |
| Dundalk to Colchester | 3,659.52 mi (5,889.42 km) |
| Dundalk to Coleford | 3,518.57 mi (5,662.59 km) |
| Dundalk to Colne | 3,496.94 mi (5,627.77 km) |
| Dundalk to Colwyn Bay | 3,446.68 mi (5,546.89 km) |
| Dundalk to Congleton | 3,508.18 mi (5,645.86 km) |
| Dundalk to Conisbrough | 3,541.38 mi (5,699.30 km) |
| Dundalk to Connahs Quay | 3,473.64 mi (5,590.28 km) |
| Dundalk to Consett | 3,492.52 mi (5,620.67 km) |
| Dundalk to Conwy | 3,441.66 mi (5,538.81 km) |
| Dundalk to Cookstown | 3,304.87 mi (5,318.67 km) |
| Dundalk to Corby | 3,582.13 mi (5,764.88 km) |
| Dundalk to Corfe Mullen | 3,564.19 mi (5,736.01 km) |
| Dundalk to Corsham | 3,543.45 mi (5,702.63 km) |
| Dundalk to Coseley | 3,525.30 mi (5,673.42 km) |
