| Ontario to Greenfield (California) | 258.99 mi (416.80 km) |
| Ontario to Greenfield (Indiana) | 1,792.79 mi (2,885.21 km) |
| Ontario to Greenfield (Wisconsin) | 1,704.29 mi (2,742.79 km) |
| Ontario to Greenlawn (New York) | 2,445.49 mi (3,935.64 km) |
| Ontario to Greensboro (North Carolina) | 2,127.79 mi (3,424.35 km) |
| Ontario to Greensburg (Indiana) | 1,806.07 mi (2,906.59 km) |
| Ontario to Greensburg (Pennsylvania) | 2,122.80 mi (3,416.31 km) |
| Ontario to Greentree (New Jersey) | 2,365.90 mi (3,807.56 km) |
| Ontario to Greenville (Mississippi) | 1,522.61 mi (2,450.41 km) |
| Ontario to Greenville (North Carolina) | 2,268.64 mi (3,651.03 km) |
| Ontario to Greenville (Ohio) | 1,854.76 mi (2,984.95 km) |
| Ontario to Greenville (South Carolina) | 1,998.58 mi (3,216.40 km) |
| Ontario to Greenville (Texas) | 1,236.85 mi (1,990.52 km) |
| Ontario to Greenwood (Indiana) | 1,774.47 mi (2,855.74 km) |
| Ontario to Greenwood (Mississippi) | 1,569.73 mi (2,526.24 km) |
