| Mercer Island to Cosham | 4,795.25 mi (7,717.22 km) |
| Mercer Island to Costessey | 4,755.34 mi (7,652.99 km) |
| Mercer Island to Cottingham | 4,652.78 mi (7,487.92 km) |
| Mercer Island to Coulsdon | 4,793.85 mi (7,714.96 km) |
| Mercer Island to Coventry | 4,698.63 mi (7,561.72 km) |
| Mercer Island to Cowdenbeath | 4,454.62 mi (7,169.02 km) |
| Mercer Island to Cowes | 4,793.44 mi (7,714.30 km) |
| Mercer Island to Cowley | 4,773.51 mi (7,682.23 km) |
| Mercer Island to Cowley | 4,742.93 mi (7,633.01 km) |
| Mercer Island to Cramlington | 4,553.34 mi (7,327.89 km) |
| Mercer Island to Cranleigh | 4,794.95 mi (7,716.73 km) |
| Mercer Island to Crawley | 4,804.16 mi (7,731.55 km) |
| Mercer Island to Crayford | 4,795.25 mi (7,717.20 km) |
| Mercer Island to Crewe | 4,637.07 mi (7,462.65 km) |
| Mercer Island to Crigglestone | 4,631.85 mi (7,454.24 km) |
