| Upper Grand Lagoon to Cockermouth | 4,253.21 mi (6,844.88 km) |
| Upper Grand Lagoon to Colchester | 4,473.36 mi (7,199.17 km) |
| Upper Grand Lagoon to Coleford | 4,331.03 mi (6,970.12 km) |
| Upper Grand Lagoon to Colne | 4,312.85 mi (6,940.86 km) |
| Upper Grand Lagoon to Colwyn Bay | 4,261.46 mi (6,858.16 km) |
| Upper Grand Lagoon to Congleton | 4,323.12 mi (6,957.39 km) |
| Upper Grand Lagoon to Conisbrough | 4,357.01 mi (7,011.92 km) |
| Upper Grand Lagoon to Connahs Quay | 4,288.47 mi (6,901.62 km) |
| Upper Grand Lagoon to Consett | 4,309.57 mi (6,935.59 km) |
| Upper Grand Lagoon to Conwy | 4,256.40 mi (6,850.01 km) |
| Upper Grand Lagoon to Cookstown | 4,121.01 mi (6,632.12 km) |
| Upper Grand Lagoon to Corby | 4,396.44 mi (7,075.39 km) |
| Upper Grand Lagoon to Corfe Mullen | 4,374.74 mi (7,040.46 km) |
| Upper Grand Lagoon to Corsham | 4,355.35 mi (7,009.26 km) |
| Upper Grand Lagoon to Coseley | 4,339.31 mi (6,983.44 km) |
