| Ontario to South Plainfield (New Jersey) | 2,391.73 mi (3,849.12 km) |
| Ontario to South Portland (Maine) | 2,594.22 mi (4,175.00 km) |
| Ontario to South Riding (Virginia) | 2,234.69 mi (3,596.38 km) |
| Ontario to South River (New Jersey) | 2,394.19 mi (3,853.08 km) |
| Ontario to South Salt Lake (Utah) | 556.82 mi (896.11 km) |
| Ontario to South San Francisco (California) | 367.37 mi (591.22 km) |
| Ontario to South San Jose Hills (California) | 17.16 mi (27.62 km) |
| Ontario to South Sioux City (Nebraska) | 1,283.94 mi (2,066.30 km) |
| Ontario to South St. Paul (Minnesota) | 1,500.85 mi (2,415.39 km) |
| Ontario to South Valley (New Mexico) | 625.16 mi (1,006.10 km) |
| Ontario to South Venice (Florida) | 2,138.03 mi (3,440.83 km) |
| Ontario to South Whittier (California) | 25.41 mi (40.89 km) |
| Ontario to South Yarmouth (Massachusetts) | 2,605.71 mi (4,193.49 km) |
| Ontario to Southaven (Mississippi) | 1,569.52 mi (2,525.90 km) |
| Ontario to Southchase (Florida) | 2,164.10 mi (3,482.78 km) |
