| Ontario to St. George (Utah) | 308.74 mi (496.88 km) |
| Ontario to St. Helens (Oregon) | 861.41 mi (1,386.31 km) |
| Ontario to St. James (New York) | 2,456.52 mi (3,953.38 km) |
| Ontario to St. John (Indiana) | 1,714.25 mi (2,758.82 km) |
| Ontario to St. Joseph (Missouri) | 1,315.32 mi (2,116.81 km) |
| Ontario to St. Louis (Missouri) | 1,549.53 mi (2,493.72 km) |
| Ontario to St. Louis Park (Minnesota) | 1,487.70 mi (2,394.22 km) |
| Ontario to St. Marys (Georgia) | 2,103.59 mi (3,385.40 km) |
| Ontario to St. Marys (Pennsylvania) | 2,175.70 mi (3,501.45 km) |
| Ontario to St. Matthews (Kentucky) | 1,798.09 mi (2,893.75 km) |
| Ontario to St. Michael (Minnesota) | 1,479.65 mi (2,381.27 km) |
| Ontario to St. Paul (Minnesota) | 1,499.52 mi (2,413.25 km) |
| Ontario to St. Peter (Minnesota) | 1,444.43 mi (2,324.59 km) |
| Ontario to St. Peters (Missouri) | 1,530.75 mi (2,463.50 km) |
| Ontario to St. Petersburg (Florida) | 2,105.05 mi (3,387.76 km) |
