| Ontario to Fairmont (West Virginia) | 2,091.81 mi (3,366.44 km) |
| Ontario to Fairmount (New York) | 2,294.82 mi (3,693.16 km) |
| Ontario to Fairview (California) | 353.43 mi (568.78 km) |
| Ontario to Fairview (New Jersey) | 2,412.40 mi (3,882.38 km) |
| Ontario to Fairview (Oregon) | 835.05 mi (1,343.88 km) |
| Ontario to Fairview Heights (Illinois) | 1,562.30 mi (2,514.28 km) |
| Ontario to Fairview Park (Ohio) | 2,003.89 mi (3,224.95 km) |
| Ontario to Fairview Shores (Florida) | 2,158.65 mi (3,474.02 km) |
| Ontario to Fairwood (Washington) | 955.88 mi (1,538.33 km) |
| Ontario to Fajardo (Puerto Rico) | 3,360.05 mi (5,407.47 km) |
| Ontario to Fall River (Massachusetts) | 2,559.12 mi (4,118.51 km) |
| Ontario to Fallbrook (California) | 51.20 mi (82.40 km) |
| Ontario to Falls Church (Virginia) | 2,252.96 mi (3,625.79 km) |
| Ontario to Fargo (North Dakota) | 1,398.99 mi (2,251.46 km) |
| Ontario to Faribault (Minnesota) | 1,475.43 mi (2,374.47 km) |
