| Gladstone to Corato | 5,391.65 mi (8,677.02 km) |
| Gladstone to Corbetta | 4,912.03 mi (7,905.14 km) |
| Gladstone to Corciano | 5,142.61 mi (8,276.24 km) |
| Gladstone to Cordenons | 5,033.29 mi (8,100.30 km) |
| Gladstone to Cori | 5,233.33 mi (8,422.23 km) |
| Gladstone to Coriano | 5,118.07 mi (8,236.74 km) |
| Gladstone to Corigliano Calabro | 5,468.46 mi (8,800.64 km) |
| Gladstone to Corleone | 5,421.58 mi (8,725.20 km) |
| Gladstone to Cormano | 4,918.17 mi (7,915.04 km) |
| Gladstone to Cornaredo | 4,915.13 mi (7,910.14 km) |
| Gladstone to Cornate d'Adda | 4,925.50 mi (7,926.82 km) |
| Gladstone to Cornedo Vicentino | 4,998.60 mi (8,044.47 km) |
| Gladstone to Correggio | 5,013.37 mi (8,068.24 km) |
| Gladstone to Corridonia | 5,185.03 mi (8,344.50 km) |
| Gladstone to Corsico | 4,921.14 mi (7,919.81 km) |
