| Round Rock to Chatteris | 4,877.67 mi (7,849.85 km) |
| Round Rock to Cheadle | 4,784.77 mi (7,700.34 km) |
| Round Rock to Cheadle Hulme | 4,766.30 mi (7,670.62 km) |
| Round Rock to Cheam | 4,899.76 mi (7,885.41 km) |
| Round Rock to Chellaston | 4,808.94 mi (7,739.24 km) |
| Round Rock to Chelmsford | 4,915.51 mi (7,910.74 km) |
| Round Rock to Chelsfield | 4,912.98 mi (7,906.67 km) |
| Round Rock to Cheltenham | 4,811.83 mi (7,743.90 km) |
| Round Rock to Chepstow | 4,795.19 mi (7,717.11 km) |
| Round Rock to Cherry Hinton | 4,890.28 mi (7,870.15 km) |
| Round Rock to Chertsey | 4,887.27 mi (7,865.31 km) |
| Round Rock to Chesham | 4,873.79 mi (7,843.61 km) |
| Round Rock to Cheshunt | 4,896.45 mi (7,880.07 km) |
| Round Rock to Chester | 4,744.73 mi (7,635.90 km) |
| Round Rock to Chester-le-Street | 4,748.92 mi (7,642.65 km) |
