| Ottawa to Chesterfield | 3,914.36 mi (6,299.55 km) |
| Ottawa to Chichester | 4,014.26 mi (6,460.33 km) |
| Ottawa to Chigwell | 4,021.35 mi (6,471.74 km) |
| Ottawa to Childwall | 3,855.51 mi (6,204.85 km) |
| Ottawa to Chilwell | 3,931.31 mi (6,326.84 km) |
| Ottawa to Chingford | 4,018.94 mi (6,467.86 km) |
| Ottawa to Chippenham | 3,943.04 mi (6,345.72 km) |
| Ottawa to Chislehurst | 4,028.29 mi (6,482.91 km) |
| Ottawa to Choppington | 3,851.19 mi (6,197.90 km) |
| Ottawa to Chorley | 3,857.20 mi (6,207.56 km) |
| Ottawa to Chorleywood | 3,998.38 mi (6,434.77 km) |
| Ottawa to Christchurch | 3,978.95 mi (6,403.50 km) |
| Ottawa to Churchdown | 3,927.94 mi (6,321.41 km) |
| Ottawa to Cinderford | 3,917.13 mi (6,304.01 km) |
| Ottawa to Cirencester | 3,940.64 mi (6,341.84 km) |
