| Glenmont to Cockermouth | 3,467.55 mi (5,580.48 km) |
| Glenmont to Colchester | 3,690.92 mi (5,939.96 km) |
| Glenmont to Coleford | 3,550.12 mi (5,713.37 km) |
| Glenmont to Colne | 3,528.06 mi (5,677.87 km) |
| Glenmont to Colwyn Bay | 3,477.97 mi (5,597.26 km) |
| Glenmont to Congleton | 3,539.45 mi (5,696.19 km) |
| Glenmont to Conisbrough | 3,572.55 mi (5,749.47 km) |
| Glenmont to Connahs Quay | 3,504.93 mi (5,640.64 km) |
| Glenmont to Consett | 3,523.41 mi (5,670.39 km) |
| Glenmont to Conwy | 3,472.96 mi (5,589.19 km) |
| Glenmont to Cookstown | 3,335.96 mi (5,368.71 km) |
| Glenmont to Corby | 3,613.49 mi (5,815.34 km) |
| Glenmont to Corfe Mullen | 3,595.90 mi (5,787.04 km) |
| Glenmont to Corsham | 3,575.05 mi (5,753.49 km) |
| Glenmont to Coseley | 3,556.69 mi (5,723.94 km) |
