| Smyrna to Cosham | 4,182.64 mi (6,731.31 km) |
| Smyrna to Costessey | 4,234.22 mi (6,814.32 km) |
| Smyrna to Cottingham | 4,145.82 mi (6,672.04 km) |
| Smyrna to Coulsdon | 4,210.07 mi (6,775.45 km) |
| Smyrna to Coventry | 4,130.95 mi (6,648.12 km) |
| Smyrna to Cowdenbeath | 3,989.98 mi (6,421.26 km) |
| Smyrna to Cowes | 4,174.78 mi (6,718.65 km) |
| Smyrna to Cowley | 4,191.49 mi (6,745.55 km) |
| Smyrna to Cowley | 4,157.15 mi (6,690.29 km) |
| Smyrna to Cramlington | 4,074.90 mi (6,557.91 km) |
| Smyrna to Cranleigh | 4,200.31 mi (6,759.74 km) |
| Smyrna to Crawley | 4,212.86 mi (6,779.94 km) |
| Smyrna to Crayford | 4,220.21 mi (6,791.77 km) |
| Smyrna to Crewe | 4,079.84 mi (6,565.86 km) |
| Smyrna to Crigglestone | 4,105.30 mi (6,606.84 km) |
