| Ontario to Cedar Park (Texas) | 1,179.33 mi (1,897.94 km) |
| Ontario to Cedar Rapids (Iowa) | 1,506.87 mi (2,425.06 km) |
| Ontario to Cedarburg (Wisconsin) | 1,709.79 mi (2,751.64 km) |
| Ontario to Celebration (Florida) | 2,156.51 mi (3,470.56 km) |
| Ontario to Celina (Ohio) | 1,859.41 mi (2,992.43 km) |
| Ontario to Celina (Texas) | 1,195.64 mi (1,924.20 km) |
| Ontario to Centennial (Colorado) | 801.23 mi (1,289.45 km) |
| Ontario to Center Point (Alabama) | 1,767.88 mi (2,845.12 km) |
| Ontario to Centereach (New York) | 2,460.20 mi (3,959.31 km) |
| Ontario to Centerton (Arkansas) | 1,322.51 mi (2,128.38 km) |
| Ontario to Centerville (Ohio) | 1,878.93 mi (3,023.85 km) |
| Ontario to Centerville (Utah) | 569.75 mi (916.93 km) |
| Ontario to Central (Louisiana) | 1,565.74 mi (2,519.81 km) |
| Ontario to Central Falls (Rhode Island) | 2,543.38 mi (4,093.18 km) |
| Ontario to Central Islip (New York) | 2,454.71 mi (3,950.47 km) |
