| Illingen to Calne | 423.18 mi (681.04 km) |
| Illingen to Cam | 443.21 mi (713.28 km) |
| Illingen to Camberley | 369.06 mi (593.95 km) |
| Illingen to Camborne | 553.32 mi (890.48 km) |
| Illingen to Cambridge | 360.19 mi (579.68 km) |
| Illingen to Cambuslang | 646.51 mi (1,040.47 km) |
| Illingen to Canford Cliffs | 408.69 mi (657.73 km) |
| Illingen to Cannock | 455.68 mi (733.35 km) |
| Illingen to Canterbury | 294.32 mi (473.67 km) |
| Illingen to Carlisle | 569.04 mi (915.78 km) |
| Illingen to Carlton Colville | 315.70 mi (508.07 km) |
| Illingen to Carluke | 632.77 mi (1,018.34 km) |
| Illingen to Carnoustie | 637.17 mi (1,025.43 km) |
| Illingen to Carshalton | 346.39 mi (557.46 km) |
| Illingen to Carterton | 413.16 mi (664.91 km) |
