| Opava to Calne | 874.89 mi (1,408.00 km) |
| Opava to Cam | 890.14 mi (1,432.54 km) |
| Opava to Camberley | 820.54 mi (1,320.53 km) |
| Opava to Camborne | 1,024.95 mi (1,649.50 km) |
| Opava to Cambridge | 785.75 mi (1,264.54 km) |
| Opava to Cambuslang | 1,000.42 mi (1,610.02 km) |
| Opava to Canford Cliffs | 873.99 mi (1,406.54 km) |
| Opava to Cannock | 878.48 mi (1,413.78 km) |
| Opava to Canterbury | 741.84 mi (1,193.88 km) |
| Opava to Carlisle | 938.51 mi (1,510.39 km) |
| Opava to Carlton Colville | 721.51 mi (1,161.16 km) |
| Opava to Carluke | 986.41 mi (1,587.47 km) |
| Opava to Carnoustie | 960.63 mi (1,545.99 km) |
| Opava to Carshalton | 795.74 mi (1,280.62 km) |
| Opava to Carterton | 857.03 mi (1,379.25 km) |
