| Big Spring to Cockermouth | 4,734.70 mi (7,619.77 km) |
| Big Spring to Colchester | 4,979.77 mi (8,014.17 km) |
| Big Spring to Coleford | 4,851.14 mi (7,807.15 km) |
| Big Spring to Colne | 4,802.36 mi (7,728.65 km) |
| Big Spring to Colwyn Bay | 4,763.87 mi (7,666.71 km) |
| Big Spring to Congleton | 4,822.66 mi (7,761.33 km) |
| Big Spring to Conisbrough | 4,848.80 mi (7,803.40 km) |
| Big Spring to Connahs Quay | 4,789.90 mi (7,708.60 km) |
| Big Spring to Consett | 4,783.63 mi (7,698.51 km) |
| Big Spring to Conwy | 4,759.35 mi (7,659.44 km) |
| Big Spring to Cookstown | 4,612.23 mi (7,422.67 km) |
| Big Spring to Corby | 4,900.37 mi (7,886.38 km) |
| Big Spring to Corfe Mullen | 4,906.85 mi (7,896.81 km) |
| Big Spring to Corsham | 4,878.95 mi (7,851.91 km) |
| Big Spring to Coseley | 4,847.05 mi (7,800.57 km) |
