| Opatija to Clay Cross | 888.37 mi (1,429.70 km) |
| Opatija to Clayton | 924.93 mi (1,488.53 km) |
| Opatija to Clayton le Moors | 944.44 mi (1,519.92 km) |
| Opatija to Cleckheaton | 919.56 mi (1,479.88 km) |
| Opatija to Cleethorpes | 855.36 mi (1,376.57 km) |
| Opatija to Clevedon | 889.98 mi (1,432.29 km) |
| Opatija to Clifton | 870.74 mi (1,401.32 km) |
| Opatija to Clifton | 907.96 mi (1,461.22 km) |
| Opatija to Cliftonville | 723.25 mi (1,163.96 km) |
| Opatija to Clitheroe | 948.17 mi (1,525.93 km) |
| Opatija to Clydebank | 1,091.41 mi (1,756.46 km) |
| Opatija to Coalville | 871.43 mi (1,402.43 km) |
| Opatija to Coatbridge | 1,078.00 mi (1,734.87 km) |
| Opatija to Cobham | 790.40 mi (1,272.02 km) |
| Opatija to Cockermouth | 1,010.32 mi (1,625.95 km) |
