| Ontario to Sumter (South Carolina) | 2,119.86 mi (3,411.59 km) |
| Ontario to Sun City (Arizona) | 306.97 mi (494.01 km) |
| Ontario to Sun City Center (Florida) | 2,124.60 mi (3,419.21 km) |
| Ontario to Sun City West (Arizona) | 302.24 mi (486.40 km) |
| Ontario to Sun Lakes (Arizona) | 334.85 mi (538.89 km) |
| Ontario to Sun Prairie (Wisconsin) | 1,646.74 mi (2,650.17 km) |
| Ontario to Sun Valley (Nevada) | 403.17 mi (648.84 km) |
| Ontario to Sun Village (California) | 41.11 mi (66.16 km) |
| Ontario to Sunland Park (New Mexico) | 656.31 mi (1,056.24 km) |
| Ontario to Sunny Isles Beach (Florida) | 2,298.14 mi (3,698.50 km) |
| Ontario to Sunnyside (Washington) | 857.51 mi (1,380.03 km) |
| Ontario to Sunnyvale (California) | 338.82 mi (545.28 km) |
| Ontario to Sunrise (Florida) | 2,282.29 mi (3,673.00 km) |
| Ontario to Sunrise Manor (Nevada) | 206.72 mi (332.69 km) |
| Ontario to Sunset (Florida) | 2,291.46 mi (3,687.75 km) |
