| Harker Heights to Cockermouth | 4,658.85 mi (7,497.70 km) |
| Harker Heights to Colchester | 4,898.16 mi (7,882.83 km) |
| Harker Heights to Coleford | 4,765.07 mi (7,668.64 km) |
| Harker Heights to Colne | 4,724.62 mi (7,603.55 km) |
| Harker Heights to Colwyn Bay | 4,682.35 mi (7,535.51 km) |
| Harker Heights to Congleton | 4,742.23 mi (7,631.88 km) |
| Harker Heights to Conisbrough | 4,770.66 mi (7,677.63 km) |
| Harker Heights to Connahs Quay | 4,708.77 mi (7,578.04 km) |
| Harker Heights to Consett | 4,710.09 mi (7,580.16 km) |
| Harker Heights to Conwy | 4,677.65 mi (7,527.95 km) |
| Harker Heights to Cookstown | 4,533.05 mi (7,295.24 km) |
| Harker Heights to Corby | 4,819.08 mi (7,755.56 km) |
| Harker Heights to Corfe Mullen | 4,817.66 mi (7,753.28 km) |
| Harker Heights to Corsham | 4,792.03 mi (7,712.03 km) |
| Harker Heights to Coseley | 4,764.44 mi (7,667.62 km) |
