| Idil to Calne | 2,332.42 mi (3,753.66 km) |
| Idil to Cam | 2,350.02 mi (3,781.99 km) |
| Idil to Camberley | 2,277.50 mi (3,665.28 km) |
| Idil to Camborne | 2,468.44 mi (3,972.56 km) |
| Idil to Cambridge | 2,250.86 mi (3,622.41 km) |
| Idil to Cambuslang | 2,469.11 mi (3,973.64 km) |
| Idil to Canford Cliffs | 2,323.23 mi (3,738.88 km) |
| Idil to Cannock | 2,345.60 mi (3,774.87 km) |
| Idil to Canterbury | 2,199.18 mi (3,539.24 km) |
| Idil to Carlisle | 2,409.36 mi (3,877.49 km) |
| Idil to Carlton Colville | 2,189.16 mi (3,523.11 km) |
| Idil to Carluke | 2,455.25 mi (3,951.34 km) |
| Idil to Carnoustie | 2,424.68 mi (3,902.15 km) |
| Idil to Carshalton | 2,253.29 mi (3,626.32 km) |
| Idil to Carterton | 2,317.73 mi (3,730.02 km) |
