| Cities | Distance |
|---|---|
| Opera to Clay Cross | 718.63 mi (1,156.53 km) |
| Opera to Clayton | 760.40 mi (1,223.74 km) |
| Opera to Clayton le Moors | 776.70 mi (1,249.98 km) |
| Opera to Cleckheaton | 754.88 mi (1,214.87 km) |
| Opera to Cleethorpes | 699.30 mi (1,125.41 km) |
| Opera to Clevedon | 692.44 mi (1,114.38 km) |
| Opera to Clifton | 699.12 mi (1,125.13 km) |
| Opera to Clifton | 749.95 mi (1,206.94 km) |
| Opera to Cliftonville | 547.68 mi (881.41 km) |
| Opera to Clitheroe | 781.51 mi (1,257.72 km) |
| Opera to Clydebank | 936.76 mi (1,507.56 km) |
| Opera to Coalville | 696.46 mi (1,120.84 km) |
| Opera to Coatbridge | 924.77 mi (1,488.28 km) |
| Opera to Cobham | 602.47 mi (969.59 km) |
| Opera to Cockermouth | 847.59 mi (1,364.07 km) |