| Grayslake to Cosham | 3,927.37 mi (6,320.49 km) |
| Grayslake to Costessey | 3,953.75 mi (6,362.95 km) |
| Grayslake to Cottingham | 3,858.07 mi (6,208.96 km) |
| Grayslake to Coulsdon | 3,947.14 mi (6,352.31 km) |
| Grayslake to Coventry | 3,860.41 mi (6,212.73 km) |
| Grayslake to Cowdenbeath | 3,684.30 mi (5,929.31 km) |
| Grayslake to Cowes | 3,921.05 mi (6,310.31 km) |
| Grayslake to Cowley | 3,927.38 mi (6,320.51 km) |
| Grayslake to Cowley | 3,892.93 mi (6,265.06 km) |
| Grayslake to Cramlington | 3,776.35 mi (6,077.45 km) |
| Grayslake to Cranleigh | 3,940.27 mi (6,341.26 km) |
| Grayslake to Crawley | 3,952.27 mi (6,360.57 km) |
| Grayslake to Crayford | 3,955.05 mi (6,365.03 km) |
| Grayslake to Crewe | 3,804.34 mi (6,122.49 km) |
| Grayslake to Crigglestone | 3,821.75 mi (6,150.51 km) |
