| Ontario to El Segundo (California) | 46.35 mi (74.59 km) |
| Ontario to El Sobrante (California) | 14.18 mi (22.82 km) |
| Ontario to Eldersburg (Maryland) | 2,262.41 mi (3,641.00 km) |
| Ontario to Elfers (Florida) | 2,091.67 mi (3,366.22 km) |
| Ontario to Elgin (Illinois) | 1,676.79 mi (2,698.53 km) |
| Ontario to Elizabeth (New Jersey) | 2,403.10 mi (3,867.42 km) |
| Ontario to Elizabeth City (North Carolina) | 2,324.14 mi (3,740.34 km) |
| Ontario to Elizabethton (Tennessee) | 1,992.43 mi (3,206.51 km) |
| Ontario to Elizabethtown (Kentucky) | 1,785.78 mi (2,873.94 km) |
| Ontario to Elizabethtown (Pennsylvania) | 2,278.40 mi (3,666.73 km) |
| Ontario to Elk City (Oklahoma) | 1,035.06 mi (1,665.77 km) |
| Ontario to Elk Grove (California) | 368.41 mi (592.89 km) |
| Ontario to Elk Grove Village (Illinois) | 1,693.24 mi (2,725.01 km) |
| Ontario to Elk Plain (Washington) | 932.08 mi (1,500.04 km) |
| Ontario to Elk River (Minnesota) | 1,488.77 mi (2,395.95 km) |
