| Ontario to Elyria (Ohio) | 1,990.56 mi (3,203.49 km) |
| Ontario to Emeryville (California) | 370.89 mi (596.89 km) |
| Ontario to Emmaus (Pennsylvania) | 2,335.12 mi (3,758.01 km) |
| Ontario to Emporia (Kansas) | 1,227.97 mi (1,976.22 km) |
| Ontario to Encinitas (California) | 71.24 mi (114.65 km) |
| Ontario to Endicott (New York) | 2,303.27 mi (3,706.76 km) |
| Ontario to Endwell (New York) | 2,305.43 mi (3,710.22 km) |
| Ontario to Englewood (Colorado) | 796.68 mi (1,282.13 km) |
| Ontario to Englewood (Florida) | 2,143.50 mi (3,449.63 km) |
| Ontario to Englewood (New Jersey) | 2,413.61 mi (3,884.34 km) |
| Ontario to Englewood (Ohio) | 1,870.75 mi (3,010.68 km) |
| Ontario to Enid (Oklahoma) | 1,123.91 mi (1,808.75 km) |
| Ontario to Ennis (Texas) | 1,216.35 mi (1,957.52 km) |
| Ontario to Ensley (Florida) | 1,781.83 mi (2,867.58 km) |
| Ontario to Enterprise (Alabama) | 1,849.05 mi (2,975.76 km) |
