| Ontario to Myrtle Grove (Florida) | 1,782.24 mi (2,868.24 km) |
| Ontario to Myrtle Grove (North Carolina) | 2,258.45 mi (3,634.62 km) |
| Ontario to Nacogdoches (Texas) | 1,340.34 mi (2,157.07 km) |
| Ontario to Nampa (Idaho) | 661.87 mi (1,065.18 km) |
| Ontario to Nanakuli (Hawaii) | 2,609.33 mi (4,199.31 km) |
| Ontario to Nanticoke (Pennsylvania) | 2,307.26 mi (3,713.18 km) |
| Ontario to Nanuet (New York) | 2,410.72 mi (3,879.68 km) |
| Ontario to Napa (California) | 393.74 mi (633.67 km) |
| Ontario to Naperville (Illinois) | 1,681.62 mi (2,706.31 km) |
| Ontario to Naples (Florida) | 2,197.10 mi (3,535.89 km) |
| Ontario to Naranja (Florida) | 2,292.77 mi (3,689.85 km) |
| Ontario to Nashua (New Hampshire) | 2,535.68 mi (4,080.78 km) |
| Ontario to Nashville (Tennessee) | 1,741.14 mi (2,802.09 km) |
| Ontario to Natchez (Mississippi) | 1,528.45 mi (2,459.81 km) |
| Ontario to Natchitoches (Louisiana) | 1,427.53 mi (2,297.38 km) |
