| Idanha-a-Nova to Calne | 834.55 mi (1,343.08 km) |
| Idanha-a-Nova to Cam | 846.83 mi (1,362.84 km) |
| Idanha-a-Nova to Camberley | 848.17 mi (1,364.99 km) |
| Idanha-a-Nova to Camborne | 717.57 mi (1,154.81 km) |
| Idanha-a-Nova to Cambridge | 918.18 mi (1,477.67 km) |
| Idanha-a-Nova to Cambuslang | 1,107.62 mi (1,782.54 km) |
| Idanha-a-Nova to Canford Cliffs | 787.84 mi (1,267.91 km) |
| Idanha-a-Nova to Cannock | 916.32 mi (1,474.68 km) |
| Idanha-a-Nova to Canterbury | 880.69 mi (1,417.33 km) |
| Idanha-a-Nova to Carlisle | 1,053.39 mi (1,695.26 km) |
| Idanha-a-Nova to Carlton Colville | 964.01 mi (1,551.43 km) |
| Idanha-a-Nova to Carluke | 1,103.85 mi (1,776.48 km) |
| Idanha-a-Nova to Carnoustie | 1,164.01 mi (1,873.30 km) |
| Idanha-a-Nova to Carshalton | 860.54 mi (1,384.90 km) |
| Idanha-a-Nova to Carterton | 861.55 mi (1,386.53 km) |
