| Ontario to Germantown (Tennessee) | 1,579.69 mi (2,542.27 km) |
| Ontario to Germantown (Wisconsin) | 1,702.32 mi (2,739.61 km) |
| Ontario to Gibsonton (Florida) | 2,120.80 mi (3,413.09 km) |
| Ontario to Gig Harbor (Washington) | 954.61 mi (1,536.29 km) |
| Ontario to Gilbert (Arizona) | 340.65 mi (548.22 km) |
| Ontario to Gillette (Wyoming) | 957.61 mi (1,541.13 km) |
| Ontario to Gilroy (California) | 303.33 mi (488.16 km) |
| Ontario to Gladeview (Florida) | 2,294.43 mi (3,692.53 km) |
| Ontario to Gladstone (Missouri) | 1,322.94 mi (2,129.06 km) |
| Ontario to Gladstone (Oregon) | 827.17 mi (1,331.19 km) |
| Ontario to Glasgow (Delaware) | 2,325.65 mi (3,742.78 km) |
| Ontario to Glasgow (Kentucky) | 1,785.00 mi (2,872.68 km) |
| Ontario to Glassboro (New Jersey) | 2,358.92 mi (3,796.31 km) |
| Ontario to Glassmanor (Maryland) | 2,263.60 mi (3,642.91 km) |
| Ontario to Glen Allen (Virginia) | 2,243.77 mi (3,611.00 km) |
