| Ottawa to Cavaillon | 4,497.51 mi (7,238.04 km) |
| Ottawa to Cebazat | 4,342.36 mi (6,988.35 km) |
| Ottawa to Cenon | 4,227.93 mi (6,804.20 km) |
| Ottawa to Cergy | 4,185.28 mi (6,735.55 km) |
| Ottawa to Cernay | 4,428.85 mi (7,127.54 km) |
| Ottawa to Cesson | 4,222.94 mi (6,796.16 km) |
| Ottawa to Cesson-Sevigne | 4,071.00 mi (6,551.64 km) |
| Ottawa to Cestas | 4,225.66 mi (6,800.54 km) |
| Ottawa to Chalette-sur-Loing | 4,248.06 mi (6,836.59 km) |
| Ottawa to Challans | 4,102.71 mi (6,602.67 km) |
| Ottawa to Chalon-sur-Saone | 4,377.17 mi (7,044.37 km) |
| Ottawa to Chalons-en-Champagne | 4,277.38 mi (6,883.77 km) |
| Ottawa to Chamalieres | 4,343.16 mi (6,989.64 km) |
| Ottawa to Chambery | 4,465.65 mi (7,186.76 km) |
| Ottawa to Chambly | 4,187.91 mi (6,739.78 km) |
