| Round Rock to Chesterfield | 4,799.02 mi (7,723.28 km) |
| Round Rock to Chichester | 4,892.84 mi (7,874.26 km) |
| Round Rock to Chigwell | 4,902.96 mi (7,890.55 km) |
| Round Rock to Childwall | 4,739.58 mi (7,627.61 km) |
| Round Rock to Chilwell | 4,815.31 mi (7,749.49 km) |
| Round Rock to Chingford | 4,900.49 mi (7,886.58 km) |
| Round Rock to Chippenham | 4,822.27 mi (7,760.69 km) |
| Round Rock to Chislehurst | 4,909.32 mi (7,900.79 km) |
| Round Rock to Choppington | 4,740.03 mi (7,628.35 km) |
| Round Rock to Chorley | 4,742.09 mi (7,631.65 km) |
| Round Rock to Chorleywood | 4,879.56 mi (7,852.90 km) |
| Round Rock to Christchurch | 4,856.23 mi (7,815.35 km) |
| Round Rock to Churchdown | 4,808.36 mi (7,738.31 km) |
| Round Rock to Cinderford | 4,797.11 mi (7,720.20 km) |
| Round Rock to Cirencester | 4,820.76 mi (7,758.27 km) |
