| Ontario to Sugar Hill (Georgia) | 1,911.34 mi (3,076.01 km) |
| Ontario to Sugar Land (Texas) | 1,323.16 mi (2,129.41 km) |
| Ontario to Sugarland Run (Virginia) | 2,241.46 mi (3,607.29 km) |
| Ontario to Sugarmill Woods (Florida) | 2,092.47 mi (3,367.51 km) |
| Ontario to Suisun City (California) | 380.52 mi (612.39 km) |
| Ontario to Suitland (Maryland) | 2,266.69 mi (3,647.89 km) |
| Ontario to Sulphur (Louisiana) | 1,439.50 mi (2,316.65 km) |
| Ontario to Sulphur Springs (Texas) | 1,264.97 mi (2,035.78 km) |
| Ontario to Summerfield (Maryland) | 2,269.34 mi (3,652.14 km) |
| Ontario to Summerfield (North Carolina) | 2,122.88 mi (3,416.44 km) |
| Ontario to Summerlin South (Nevada) | 193.07 mi (310.72 km) |
| Ontario to Summerville (South Carolina) | 2,144.96 mi (3,451.98 km) |
| Ontario to Summit (Illinois) | 1,699.93 mi (2,735.78 km) |
| Ontario to Summit (New Jersey) | 2,393.84 mi (3,852.51 km) |
| Ontario to Sumner (Washington) | 941.95 mi (1,515.92 km) |
