| Ontario to Santa Rosa (California) | 416.35 mi (670.06 km) |
| Ontario to Santaquin (Utah) | 520.12 mi (837.06 km) |
| Ontario to Santee (California) | 89.30 mi (143.71 km) |
| Ontario to Sapulpa (Oklahoma) | 1,221.92 mi (1,966.49 km) |
| Ontario to Saraland (Alabama) | 1,728.53 mi (2,781.80 km) |
| Ontario to Sarasota (Florida) | 2,123.26 mi (3,417.06 km) |
| Ontario to Sarasota Springs (Florida) | 2,127.94 mi (3,424.59 km) |
| Ontario to Saratoga (California) | 333.62 mi (536.90 km) |
| Ontario to Saratoga Springs (New York) | 2,419.58 mi (3,893.94 km) |
| Ontario to Saratoga Springs (Utah) | 536.32 mi (863.12 km) |
| Ontario to Sartell (Minnesota) | 1,467.93 mi (2,362.40 km) |
| Ontario to Satellite Beach (Florida) | 2,213.94 mi (3,562.99 km) |
| Ontario to Sauk Rapids (Minnesota) | 1,470.26 mi (2,366.15 km) |
| Ontario to Sault Ste. Marie (Michigan) | 1,932.61 mi (3,110.24 km) |
| Ontario to Savage (Minnesota) | 1,482.79 mi (2,386.33 km) |
