| Gresham to Cosham | 4,917.80 mi (7,914.43 km) |
| Gresham to Costessey | 4,880.83 mi (7,854.94 km) |
| Gresham to Cottingham | 4,778.18 mi (7,689.73 km) |
| Gresham to Coulsdon | 4,917.41 mi (7,913.81 km) |
| Gresham to Coventry | 4,822.22 mi (7,760.61 km) |
| Gresham to Cowdenbeath | 4,580.30 mi (7,371.28 km) |
| Gresham to Cowes | 4,915.76 mi (7,911.15 km) |
| Gresham to Cowley | 4,897.02 mi (7,881.00 km) |
| Gresham to Cowley | 4,866.14 mi (7,831.29 km) |
| Gresham to Cramlington | 4,679.13 mi (7,530.33 km) |
| Gresham to Cranleigh | 4,918.14 mi (7,914.98 km) |
| Gresham to Crawley | 4,927.51 mi (7,930.07 km) |
| Gresham to Crayford | 4,919.12 mi (7,916.56 km) |
| Gresham to Crewe | 4,760.67 mi (7,661.56 km) |
| Gresham to Crigglestone | 4,756.47 mi (7,654.81 km) |
