| Ontario to Punta Gorda (Florida) | 2,162.71 mi (3,480.55 km) |
| Ontario to Puyallup (Washington) | 940.08 mi (1,512.91 km) |
| Ontario to Queen Creek (Arizona) | 348.78 mi (561.31 km) |
| Ontario to Queens (New York) | 2,423.35 mi (3,900.01 km) |
| Ontario to Quincy (Illinois) | 1,497.52 mi (2,410.03 km) |
| Ontario to Quincy (Massachusetts) | 2,561.22 mi (4,121.89 km) |
| Ontario to Raceland (Louisiana) | 1,605.23 mi (2,583.37 km) |
| Ontario to Racine (Wisconsin) | 1,710.76 mi (2,753.21 km) |
| Ontario to Radcliff (Kentucky) | 1,782.35 mi (2,868.41 km) |
| Ontario to Radford (Virginia) | 2,079.52 mi (3,346.67 km) |
| Ontario to Rahway (New Jersey) | 2,398.65 mi (3,860.25 km) |
| Ontario to Raleigh (North Carolina) | 2,195.89 mi (3,533.95 km) |
| Ontario to Ramona (California) | 80.39 mi (129.38 km) |
| Ontario to Ramsey (Minnesota) | 1,492.15 mi (2,401.38 km) |
| Ontario to Ramsey (New Jersey) | 2,404.08 mi (3,868.99 km) |
