| Donegal to Cavaillon | 950.83 mi (1,530.21 km) |
| Donegal to Cebazat | 783.52 mi (1,260.96 km) |
| Donegal to Cenon | 755.65 mi (1,216.11 km) |
| Donegal to Cergy | 581.41 mi (935.69 km) |
| Donegal to Cernay | 810.36 mi (1,304.16 km) |
| Donegal to Cesson | 621.81 mi (1,000.70 km) |
| Donegal to Cesson-Sevigne | 530.97 mi (854.51 km) |
| Donegal to Cestas | 759.92 mi (1,222.97 km) |
| Donegal to Chalette-sur-Loing | 654.25 mi (1,052.92 km) |
| Donegal to Challans | 603.76 mi (971.66 km) |
| Donegal to Chalon-sur-Saone | 783.52 mi (1,260.96 km) |
| Donegal to Chalons-en-Champagne | 660.98 mi (1,063.75 km) |
| Donegal to Chamalieres | 785.89 mi (1,264.77 km) |
| Donegal to Chambery | 880.07 mi (1,416.33 km) |
| Donegal to Chambly | 580.91 mi (934.88 km) |
